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Exploding Computer Components

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Older computers may have been built during a time when the electronic components used in their construction were of poor quality. In particular, a large number of capacitors suffer from a syndrome called the “Capacitor Plague” where they swell, bulge, burst and may even blow up with quite a bang!

Motherboard with the capacitor plague Motherboard with the capacitor plague Motherboard with the capacitor plague

Photos: A motherboard with the Capacitor Plague

Before these components fail catastrophically, they will likely cause stability problems with the computer. frequent lock-ups and crashes. The computer may even fail to boot or fail POST, amongst all manner of other issues. 

How this came to pass is a story straight out of a James Bond movie. Several Taiwanese manufacturers used a stolen formula that had vital details missing, which resulted in the components not being manufactured to the correct construction or grade. The result was the supply of components to electronic device manufacturer that were destined to fail given some time and use!

The Wikipedia entry for the “Capacitor Plague” makes for interesting and comprehensive reading on this topic.

If you’ve got an older computer and are experiencing strange problems that don’t seem to be down to the usual Operating System, drivers and software causes then it is worth a quick inspection of your components for signs of this condition. Roundtrip Solutions can perform this inspection for you if you suspect it is the cause of your computer problems. This is a part of our computer support and repair service offering that covers Edinburgh, Fife, and Tayside. We will advise you of the necessary repair required to get your computer operating again both stably and safely.

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The Latest Banking Code

Most people believe the banks will reimburse any losses from their accounts even when the fault lies squarely with the customer. This honourable position by the banks has been the case up until now, with many people seeing the banks reimburse losses  that are the result of fraudulent transactions on their accounts. But, this period of generosity may be coming to an end!

From the latest Banking Code:

Online banking
12.9 Online banking is safe and convenient as long as you take a number of simple precautions. Please make sure you follow the advice given below.
• Keep your PC secure. Use up-to-date anti-virus and spyware software and a personal firewall.
• Keep your passwords and PINs secret.
• We (or the police) will never contact you to ask you for your online banking or payment card PINs, or your password information.
• Treat e-mails you receive from senders claiming to be from your bank or building society with caution and be wary of e-mails or calls asking you for any personal security details.
• Always access internet banking sites by typing the bank or building society’s address into your web browser. Never go to an internet banking site from a link in an e-mail and then enter personal details.

Lots of sound recommendations that everyone should be following today. However, the big one from a customer perspective is the requirement to keep your PC secure and using up to date security software. But, many people are simply users that don’t always understand if their computer is fully secure and meets the recommendations made in the Banking Code.  The vast majority of PCs will have at least one issue that could allow the banks to use their “get out of jail free card” and avoid having to reimburse the customer.  

The banks will likely publish new terms and conditions that limits their liability whenever they are able to show you haven’t been following their recommendations for keeping your computer secure. Now to see how long before we see them applying this new culture to secure their profitability… the credit crunch and challenge of bank charges may speed along the real world implementation of this new culture!

Roundtrip Solutions is able to provide a service to secure your systems on an ongoing basis through a support contract. The ongoing option ensures the latest security updates are applied, your computer is running up to date security software and the latest best practices are applied. Computer support customers in Dundee, Edinburgh, Fife and surrounding areas may find our service to be extremely useful.

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Protect the Kids

The BBC’s Panorama show features an alarming report tonight to do with the seedy side of the online world. Every parent should be watching this important public service programme tonight on BBC1 at 8:30pm to ensure their kids don’t fall victim to the predatory nature of pedophiles.

Many parents will remember the “Charlie Says..” public service announcements of the late 70’s, so let’s take that advice and update it for today! Don’t remember it, well here’s a little reminder for you…

Our support staff have already provided assistance and support to Fife parents that have discovered grooming like activity in time and wanted to ensure their kids were safe in the future. The first few times we have came across such instances it was with some disbelief that we approached the issue and a feeling of remote detachment and denial as we tried to get our heads around the actions from the worst scum of society. Many parents will also go through these feelings and believe it won’t happen to their little darling! Be warned that it could unless you are vigilant.

We recently delivered an IT Security talk  to the Institution of Engineering and Technology in Edinburgh. One of the sections within that presentation was on Child Protection issues, along with all manner of advice to make computers and the Internet a safer environment for the children who reap great benefits from its use. Even taking our first hand experience into account, we were alarmed by some of the resources and statistics discovered to do with online grooming whilst performing further research for the presentation. Needless to say, the advice and protection resources form a vital section of our presentation. 

A copy of the presentation is available in pdf format (requires Acrobat Reader to view).

You shouldn’t believe banning your kids from using the Internet is the solution, when the key is education, how the computer is set-up and the trust relationship you have with your children. The benefits from the Internet are numerous and the risks can be mitigated thereby preventing these scumbags from depriving our children of the wonderful advantages of the online world. We must do everything possible to get these predators removed from society and banged up in prison for a very long time. Report any suspicious behaviour and preserve the evidence of the offense for the authorities.

Please feel free to contact us for further information, advice or help in securing your computer to better protect the children from this most deviant part of society.

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Ofcom Digital Divide Conclusion

The BBC is reporting the digital divide is lessening between rural and town communities and is even going so far as to say the “Rural Homes Dominate Broadband UK”

They report:

Ed Richards, Ofcom’s Chief Executive, said “Our report highlights a closing of the geographical digital divide in the UK. Rural households are today as well connected to broadband as their urban neighbours”..

Declan Curry of BBC Breakfast reported the release of the latest Ofcom report that is the trigger for the BBC news article. Our own John A Thomson sent in a comment that was read out in part online and we’ll expand upon these thoughts in this blog post. Thank you Declan.

Roundtrip Solutions, as a rural IT provider, uses and services both the rural and town communities of Fife. Our real world experience of typical broadband users of all denomination, geographies and providers gives us a real insight to the current state of play regarding broadband. What we do see on the front line isn’t necessarily the same as Ofcom’s interpretation of the higher rural take-up figures, performance levels and satisfaction ratings!

Let’s use a metaphor to describe the feeling of many rural broadband users:

The technologies of today, and more especially those coming in the future, will see broadband services supplied in towns running like formula one cars while the rural community relies on a horse and cart.

The share of homes getting broadband in the cities and rural areas isn’t the crux of the digital divide debate; this was the big problem some four or five years ago. The real issue has moved on as many people in rural areas struggle to get the fastest speeds available today due to their distance from the exchange, the age and quality of their telephone line, and the BT technology level available in their local exchange. Even when BT has rolled out their 21CN network (next generation), the last mile (the connection from the exchange to the home) in rural areas is liable to still be the same copper telephone lines that we have today.

Tim Hubbard, Head of 21CN Technology Futures for BT, gave a presentation to the Edinburgh branch of the British Computer Society in January 2008. He presented the vision for the next generation BT network during which it became evident that the last mile connection was liable to remain the same, especially so in rural areas where it is uneconomic to replace. John A Thomson of Roundtrip Solutions even questioned him on this very matter during the Q&A, resulting in the admission that without government subsidies then it is unlikely that BT would replace the last mile in rural areas.

There is a PPT presentation and an MP3 podcast available on the Edinburgh BCS website.

From an end users point of view, the town users will be able to access fast and faster broadband services as BT upgrades all elements of the telecommunications system, while the poorly serviced rural customers will look on in jealous amazement at the services available to them. To add to the teasing, the rural customers will have a local exchange with the latest generation broadband available, but they won’t be able to utilise it due to the “piece of [copper] string” connecting their home to the exchange.

The debate today is clouded by those people on a connection supplied by the big boy providers who have a sub standard service that cannot meet the demands of their customers especially at peak times.This is mainly down to the overselling of their services matched against the capacity they have in their networks. There are some very good broadband providers out there that supply very good experiences and decent speeds, but the next generation broadband services that rely on super fast broadband (24Mbps and above) will still be unavailable to rural customers simply due to the existing BT telephony  infrastructure not being up to the job - specifically, the last mile. 

We see many customers complaining about their broadband that are made extremely happy when they are migrated to a good supplier. If you would like to find out more about getting high speed broadband with UK based support at a reasonable monthly charge then please Contact Us.

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OLPC WOW!

This is a fabulous concept from the One Laptop Per Child project.

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Windows Vista Anytime "But Not Now" Upgrades

There appears to be limited / no stock of Vista Anytime Upgrades available in the UK. Even Microsoft has the same fulfillment problem and has responded to a customer inquiry with this email:

“We have to inform you that at present we do not have stock available for the ordered Upgrade Vista Home Premium to Ultimate. At present we are still awaiting the stock from our distributor and cannot provide an exact date when this will be received.

As soon as stock becomes available your credit card will be charged accordingly and your order reference xxxxxxx will be shipped by standard post. The delivery can in some cases take up to 28 calendar days.

Should you require the product urgently then you do have the option to cancel this order and check a retail shop of your choice in order to receive your Upgrade.

Please be further informed that the procedure for our Windows Anytime Upgrade has been changed in the way that the product key will no longer be accessible online. Now this will be sent directly with the installation CD.

This change has been made due to customer feedback.”

A very quick check online reveals zero stock availability at other suppliers. Having said that, we only checked a few, so there may be stock kicking around somewhere.

Looks like Microsoft has been caught out with their sales forecasting for this upgrade option or the changes they have made to the fulfillment process has created a temporary shortage. Someone at Microsoft needs to talk to someone at Microsoft about getting some licenses to the good folks at Microsoft!

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BT Broadband Fail to Follow Their Own Advice

… and we’re going to enlighten you to what is going on in this blog post.

We’ve come across two instances over the last few week in Fife where BT Broadband personnel have failed to secure end customer equipment using their own recently updated and freely available advice and instructions.

What exactly is this newly discovered vulnerability that requires the advice to have been recently updated? Well, it isn’t the older discovery that WEP encryption can be cracked within a minute, a fact that has long since seen WEP being considered as NO security. It is the more recent discovery that sees the Home Hub being cracked with practically no effort due to its particularly bad WEP implementation.

As a slight side note, the Wikipedia entry for WEP makes an interesting statement:

Wired Equivalent Privacy (WEP) is a deprecated algorithm to secure IEEE 802.11 wireless networks.

For those who’re unaware of what "deprecated" means, we’ll draw upon another Wikipedia entry:

In computer software standards and documentation, the term deprecation is applied to software features that are superseded and should be avoided.


BT Home Hub   Since the Home Hub uses WEP security by default, and appears to be left in this state by BT Broadband employees, then there is going to be a large number of Home Hubs vulnerable to all manner of criminal activity.

Following the logic through on this one,  BT Broadband leaves their product in a state that has been superceded and should be avoided.

At least someone at BT has noticed this security issue and has tried to deal with it:

Automatic wireless security

To help you get set up quickly and help prevent unauthorised users access your wireless network, your BT Home Hub automatically provides some wireless security via a WEP (Wired Equivalent Privacy) key. However, using new technology, it may be possible for hackers to break this key and connect to your Hub, possibly accessing your computer or using your broadband service.

You can increase this basic level of security, at no extra cost, by changing your Hub’s security from WEP to WPA (Wi-Fi Protected Access). We recommend that you consider doing this, even if you don’t connect to your Hub wirelessly.

It is a shame that their installers and support people don’t seem to know about this issue and a travesty that they haven’t been trained to leave customer’s broadband in a more secure state.

Let’s now look at the two scenarios that led to us question the training and skills of personnel in the BT Broadband installation and support operation. 


Scenario 1:
A long standing BT customer signs up for BT Broadband after using their dial-up service for many years. They asked for an "engineer" install, at an additional charge, believing this would be the best way to achieve a problem free broadband connection. The day of the activation comes around and a BT installer turns up to setup their broadband. The installer starts on the installation,  the customer leaves him alone to complete the work and job done, he leaves the customer’s home.

Later, they try to use the shiny new broadband for the first time, but all that was observed was the computer trying to connect to the dial-up service and errors being generated when attempts were made to download emails. At this point they gave up and called us in.

We arrive on scene and notice the following issues within a few minutes:

1. WEP encryption in use, against the best practice advice from BT themselves.

2. Computer has been left to use the Dial-Up service by default.

3. The email program had been left configured to use the Dial-up connection. 

4. The customer security software was out of date.

5. New email addresses assigned to this broadband account wasn’t setup.

It looks very much like the engineer has opened up the box, plugged in the ADSL filters, powered up the Home Hub, before finally connecting the customer laptop using the default WEP encryption key. It would appear that no attempt was made to connect to a webpage or to try to access email.

The fourth issue can be forgiven if the customer hasn’t signed up for one of the BT options that comes with BT security software as part of the deal. We didn’t ask so cannot comment further on this one. However, any good computer engineer would have noticed the lack of up to date security software and informed the customer that someone needs to take a look at it.

Needless to say, the issues were fixed and the customer was left fully satisfied with their new broadband connection.


Scenario 2:

Careless cleaner allows the ADSL lead to be sucked up into the vacuum cleaner, thereby breaking at least one of the signal cores in the cable. At this point, all that was required was a simple replacement of the damaged ADSL lead and the customer would have been fully operational again.

Instead, they phoned BT Broadband for advice and struggle for forty minutes to understand the broken English and broad accent of the Asian call centre support representative. After 40 minutes on the telephone, the customer has been told to turn off the Home Hub, reset it to defaults and finally to replace the damaged cable.

A trip to the local electrical retailer sees a new cable in place, but the broadband is still broken. Why is it still broken? Simple, we had previously secured their wireless network with a decent WPA-PSK pass phrase and now the computers were trying to connect to the router with the pass phrase they knew, but the router was using WEP and a completely different pass phrase! To use an appropriate analogy: a case of the computers talking English when the router is talking Hindi!

Another support call out for Roundtrip Solutions from the disgruntled Fife based BT customer. Within minutes we had logged into the Home Hub, went through some router initiated security configuration changes, before making the all important, and BT recommended, wireless security encryption changes to use WPA-PSK with the same pass phrase as used before. Everything sprung into life instantly without any further intervention.

The customer was delighted with our prompt service and completely pissed off dissatisfied with British Telecom, their support personnel and the fault resolution advice provided by BT, which did appear to be a bit back to front! They were even more frustrated when we told them all they had to do was to replace the damaged ADSL lead to get everything working again and all the resetting of routers had been completely unnecessary.

Again, we couldn’t believe the customer support person had left the customer’s router using the super insecure Home Hub version of WEP.

 

The Crux of IT

The BT Broadband advice available on their website clearly recommends setting up their Home Hub wireless router using WPA. Actually, that should be WPA-PSK if BT wish to be technically correct, but we’ll not be too pedantic in this blog post as more important issues are being dealt with.

In general, all users of a wireless network should ensure it uses WPA-PSK or WPA2-PSK with a strong pass phrase as a minimum level of security. Do not, we repeat, DO NOT use WEP - replace everything that only supports WEP.

If you are a Home Hub user then double check your configuration is secure.

If BT Broadband is doing an engineering installation then ensure BT’s own security advice is followed. Same applies for anyone that phones their call centre for support and has their Home Hub reset as part of the fault finding process.

We certainly wouldn’t recommend or condone the "repair" procedure used by this BT Home Hub user.

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Apple Software Update Deception

For a while now, Apple Software Update will tell you the related update for a Quicktime only install is iTunes + Quicktime! No it isn’t, it is Quicktime that is installed and it is Quicktime that should be kept up to date. Not everyone wants to use iTunes!

However, we suppose it could be argued that a dependency exists that makes for a better computer set-up, so we’ll concede that one. But, now for the real gripe of this post and it is a peach and a half!

When did all Apple customers/users install Safari?

For those who don’t know, Safari is Apple’s Internet browser, in competition with Internet Explorer and Mozilla Firefox. Why is this update being offered to everyone running Apple Software Update? Proof below of how this works even on a system that hasn’t even looked at the Safari webpage, never mind going to the length of downloading and installing the browser. 

Safari deceptive install practice

The slightly good news is you can ignore the update by going into:

Tools -> Ignore Selected Update

We’re betting it won’t ignore the fact that we don’t want Safari and we’ll be offered it again and again and again as they release new versions!

However, the irritation isn’t over yet! Now Apple Software Update is popping up with a message inferring it can’t take a telling. No means NO! What part of that don’t you understand Apple?

Apple Software Update reset ignored updates message

This behaviour is totally unacceptable and reminds us of the kind of misleading approach used by the nasty people that peddle malware. Our message to Apple is to STOP this immediately and redesign your update application to be honest and only offer updates where updates apply and make it explicitly clear when the software install being offered is an optional (read as unnecessary) extra that doesn’t really affect the Apple software running on your computer at the moment.

The majority of computer users will simply install this Safari update when it is offered, even although they may never use it or even understand what it does. Perhaps we’re now starting to see the real face and business practices of Apple! The marketing droids at Apple want to be able to say they have a higher marketshare through the number of installs of iTunes, Quicktime and Safari, even if it is done in a deception and misleading way. Naught, very naughty indeed!

Apple is now betraying its customers and users. Mac fanboys feel free to convince us otherwise and comment on how this kind of behaviour wouldn’t make them flame if it was being done by Microsoft.

Update: John Lilly, CEO of the Mozilla Foundation, has posted a similar complaint about this issue on his blog. He makes some interesting points that expand upon our blog post… we heartedly recommend it to you.

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The Future for Wordpress

Matt Mullenweg shows us the route ahead for Wordpress.

Interesting times lie ahead!

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Vista Compatible Wi-Fi Tools

Netstumbler has always been a very useful tool for identifying wireless network problems, but alas the word on the street is forget running it on Windows Vista as it isn’t compatible. Yes, another application that won’t work with Windows Vista, but what do you expect? It was developed well before Windows Vista was even a glint in Wee Billy Gates’ eye!

One option is the following command prompt:

netsh wlan show networks mode=bssid

Which will output something like this:

Interface Name : Wireless Network Connection
There are 3 networks currently visible.

SSID 1 : wireless1
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP
    BSSID 1                 : 00:11:09:bf:af:a2
         Signal             : 99%
         Radio Type         : 802.11g
         Channel            : 6
         Basic Rates (Mbps) : 1 2 5.5 6 11 12 24
         Other Rates (Mbps) : 9 18 36 48 54

SSID 2 : wireless2
    Network type            : Infrastructure
    Authentication          : Open
    Encryption              : WEP
    BSSID 1                 : 00:14:6c:b1:ac:e8
         Signal             : 31%
         Radio Type         : 802.11g
         Channel            : 1
         Basic Rates (Mbps) : 1 2 5.5 11
         Other Rates (Mbps) : 6 9 12 18 22 24 36 48 54

SSID 3 : wireless3
    Network type            : Infrastructure
    Authentication          : WPA-Personal
    Encryption              : TKIP
    BSSID 1                 : 00:14:7c:b1:e5:da
         Signal             : 18%
         Radio Type         : 802.11g
         Channel            : 1
         Basic Rates (Mbps) : 1 2 5.5 11
         Other Rates (Mbps) : 6 9 12 18 22 24 36 48 54

However, there is a far more elegant solution thanks to the guys over at MetaGeek and it is called, "Inssider". It uses the Windows Native Wi-Fi API, which is a far more elegant solutions than some of the other NetStumbler replacement applications that are appearing.

Best of all, it works with most wireless cards straight out of the box, has a useful and pretty time lapse data graph that makes finding issues with Wi-Fi networks a good deal easier and is open source. However, it is a shame that they don’t have GPS integration to provide useful Wardriving data, which was one of the killer features of NetStumbler.

Screen capture of Inssider running

Figure 1: Inssider capturing wireless network traffic

It does require the installation of the .net 2.0 Framework, which isn’t a problem as most computers probably already have it installed or it is freely available to download from the Microsoft Download Center or through Windows Update for those that don’t already have it. Don’t forget to install .net 2.0 SP1 as well - you can find it here.

One of our key reasons for not moving to Windows Vista earlier was the failure of MetaGeek’s Wi-Spy device, or more particularly their software, to run on Microsoft’s shiny new baby. Thankfully, this has been resolved and the latest versions of Chanalyzer, both the v2 and v3 branches, now work quite happily with Windows Vista.

Chanalyzer screen capture

Figure 2: Chanalyzer screen capture

Note: Chanalyzer v3 doesn’t work with the original Wi-Spy device; you need to be using the newer Wi-Spy 2.4x.

MetaGeek has a new product coming along within the next few months that will add 5GHz (802.11a) spectrum scanning and analysis capabilities. Well worth hanging off on any purchase until that device is available. This is a killer Wi-Fi troubleshooting tool in the making!

As a general last thought, we’re slowly running out of reasons to gripe about Windows Vista! In fact, we’d go as far to say that XP is going to be a dim and distant memory for us very soon!

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Playing MPEG-2 Clips (DVD) in Windows Vista

The Movie Playback Problem

Some versions of Windows Vista don’t come with an MPEG-2 decoder / addin for watching  movies, other MPEG-2 video sources and recorded TV. Vista Home Basic, Vista Business and Vista Enterprise customers are going to be a little upset when they try to play a DVD movie, watch certain TV channels or have a must see video clip and all they get is a message from Windows Media Player saying it can’t play the clip. Only Vista Home Premium and Vista Ultimate have support out the box!

However, there are a number of options available ranging from FREE to mega bucks. Let’s look at some of the common options.

 

MPEG-2 Playback Options

VLC Media Player
Free - yes, that’s correct, it costs £0. With versions available for many different platforms and operating systems. Simply install on the problem system and you’ll be able to use VLC Media Player to watch your movies and video clips. Unfortunately, it doesn’t have a DirectShow MPEG-2 Filter, so you can only watch MPEG-2 content using the player. 
 

"Microsoft Approved" DVD Decoders Plugins
A couple of plugins from Roxio and Cyberlink come with the blessing of Microsoft. Around about £10, these are an inexpensive option from a couple of the biggest companies in the 3rd party multimedia application marketplace.
 

NVIDIA PureVideo Decoder
Three different varieties ensure there is an option that suits both your wallet and your need.
 

3rd Party DVD Playback Software
Think PowerDVD and WinDVD, which most users of previous versions of Windows will be familiar with. 
 

Microsoft DVD Playback Pack
Recently announced, this option only looks to be available to Volume License customers. A word of warning straight from the mouth of Microsoft:

DVD Playback Pack for Windows Vista is designed to be used by IT professionals and should only be distributed as part of an operating system image.

Doesn’t sound like many people outside of corporate-land will be using this option!
 

Upgrade Windows
Order a Windows Vista Anytime Upgrade pack from Microsoft to allow you to  upgrade to one of the supported versions. Only worth pursuing if you require some of the other features and functions that are only available in a "higher" (more expensive) version  of Windows Vista.

Warning
You will need to run an upgrade set-up, which could result in the corruption or complete trashing of your current Windows Vista installation. Ensure you know what this involves and what options you need to select before performing this upgrade. And don’t forget to backup anything you can’t afford to lose before kicking off the upgrade.

 

Conclusions

For most people, we recommend going with VLC Media Player and consider donating some time or money to help support the project. Remember you need to watch the movie (clip) in the VLC Media Player application.

If you would like features that are only available in a higher version of Windows Vista then consider the Windows Vista Anytime Upgrade option.

 

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Mac vs PC - South Park Style

Happy Easter everyone.

Since it is a holiday, we though you’d like to see this amusing little Apple Mac vs PC spoof that is performed South Park style.

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Vista SP1 Finally Here

Approximately one year after Windows Vista went on general public release, Microsoft has now released the first major service pack for their latest desktop baby.

More information on Vista SP1 can be found HERE and in particular HERE.

The service pack can either be downloaded via Windows Update or the five language full service pack download directly from HERE, all 434MB of it! The most efficient and quickest way is to use Windows Update.

Unfortunately, it isn’t available through WSUS yet for those in a business environments that uses WSUS to control their Microsoft updates and patches! More information is available from this Microsoft Update Team Blog post.

… and don’t forget to backup all your important data and files before you kick off this upgrade!

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The Paperless Office - A Geek’s Perspective

Continuing with our “Geek Sayings” series, Stephen Lamb commented on how the paperless office wasn’t really happening to the degree he’d like to see.

One of the comments, made by Kevster, summed things up perfectly,

“A paperless office is like a paperless toilet” - Kevster

How are others finding the transition to the paperless office? Are you using more or less paper than you did five, ten, twenty years ago? Any tips to share with others on transitioning to saving the trees?

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How to Behave on Internet Forums

An informative video via Colin Mackay.


How To Behave On An Internet Forum

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