Windows 10 install error 80240020

For those getting install error 80240020 when trying to install Windows 10, try the following:

  1. Browse to “C:\Windows\SoftwareDistribution\Download”
    • Delete everything in this folder. – This will delete any corrupt files.
  2. Run command prompt as an administrator and type the command “wuauclt.exe /detect now” followed by enter.
  3. Go to your control panel and then Windows update – check for updates and it should start re-re downloading Windows 10.

Failing that, see this Microsoft article:

Good luck!

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ESXi 5.1 patch may cause LANDesk cismbios.sys to BSOD

So we had a problem today where we patched a couple of our ESXi and it would seem one of these patches doesn’t play well with LANDesk (cismbios.sys) and blue screens causing a restart loop. I’m not exactly sure what update causes this, but we fully patched up until the 18/03/2015.


Someone else on the VM forums seems to be having the same issue:

We contacted both VMware and LANDesk, luckily LANDesk are aware of the issue and are in the process of testing a fix for this. The defect # is TFS 303111.

We have found this only occurs when powering a VM on a host that is patched, powering on a non patched host and then migrating across to a patched host doesn’t cause the restart loop. This only seems to happen on Windows 7 VMs.

A work around we found was to make a registry change via group policy that disables cismbios.sys, now in our testing this hasn’t seemed to cause any issues – please test this in your environment before pushing this key out.

We found changing the following key stops the blue screen:

Windows Registry Editor Version 5.00


If you have patched all your hosts then this may not get a chance to apply via group policy, you may need to make changes in safe mode – can be a pain if you have a lot of VMs.

So far this has stopped the restart loop, once LANDesk issue a fix we will revert this key back via group policy.

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Laser Eye Surgery – My Experience with Optimax, Maidstone (29/11/2013)

A little over a year ago, on the 29th of November 2013, I underwent Laser Eye Surgery at Optimax based in Maidstone. I’m glad to say a year later I still have my eyesight and don’t regret the decision at all.

I had an astigmatism, my readings before surgery were:

Left eye:

Sphere: -0.25 | Cylinder: -3.75

Right eye:

Sphere: 0.25 | Cylinder: -2.75

I don’t have my readings after the surgery, I do however know I now have 20/20 vision following the procedure.

The procedure I had done was: Wavefront Designed LASIK IntraLase. I opt’d for this over the cheaper ones due to wanting the quickest recovery time and the best possible outcome. If I was to take 5 days off it would’ve equated to the same difference in price for the shorter recovery and therefore saving my holiday, I guess this depends on what you value more.

The staff and surgeon (Dr Amir Mani) was brilliant and answered all my questions, ran through the tests and ensured everything was ok prior to surgery.

The surgery itself was fine, I got some diazepam from my local GP and took this beforehand and this calmed me down, do speak to the surgeon before hand to ask when’s best to take, as you don’t want to take this too soon and have it wearing off.

The process was pain free, just a little discomfort after the surgery, light being the main issue. I was told that during the procedure I have really sensitive eye, this would explain why they kept pouring loads of eye drops during the procedure!

The healing process was smooth, the next day I could see miles better than before the procedure and this continued to get better over the coming weeks. I did have a slight concern with the flap on my eyes over healing (note I do tend to over heal, for example Keloid scars) but this was closely monitored by the surgeon and luckily was very minimal. The surgeon was excellent in that, he wanted to ensure everything was ok and saw me 3 times before discharging me. I found him very approachable, had a few jokes and communication was excellent, this is key to any procedure and feels you with confident in their abilities.

I would highly recommend, Its awesome waking up in the morning and to be able to see straight away, no more having to reach for glasses, glasses steaming up, changing contact lenses, having to take contact lenses out when swimming… just awesome!

To recap the client and surgeon I used were:

Clinic: Optimax, Maidstone
Surgeon: Dr Amir Mani – Optimax profile | LinkedIn profile
Procedure: Wavefront Designed LASIK IntraLase

If anyone has any questions feel free to leave a comment.

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Windows 10 Technical Preview – Upgrading and Start Menu

I decided to be brave and upgrade my Surface Pro to the Windows 10 Technical Preview. Upon successfully installing I immediately clicked on the windows button… only to notice the start screen/metro interface launched instead of the start menu, little confused.

It seems, well in my case you need to turn the start menu on.

Head to the Control Panel and open Taskbar and Navigation, click the Start Menu tab, tick Use Start menu instead of the Start screen.



Click ok, you will need to logoff and then log back in for the changes to take effect. Then BOOM clicking the windows button will now bring the start menu up. :)


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Open University Student IT Tips & Deals

Last updated 24/09/2014

I have been with the Open University now for a few years studying Computing & IT and Business and thought I would give my views on some good IT tips students can take advantage of to ensure their work is secure and backed up.


Spotify is a great way to listen to music when studying and on the go, allows you to listen on your iPhone, iPad, Android devices, Windows smart phone and Windows. Get yourself an NUS card for around £12 a year (as of posting) and save 50% of a yearly subscription on Spotify – saving of £60 (£48 if you include the NUS). If you already have a subscription paying the full price, I believe you can still get the offer, if not just cancel and re-sub.

Microsoft Office 365

Use your email address and get Microsoft Office 365 this includes Word, Excel , Onenote, PowerPoint etc for £59.99 for 4 years! this includes 1TB of storage to easily store your important TMAs in the cloud all backed up! If you already have an Office 365 subscription, this will stack.

Amazon Prime

Get a 6 month free trial and then 50% of – cost £39. This will give you next day delivery for free for 6 months! You also get some other cool stuff such as unlimited streaming of movies and some free kindle books (after the 6 month trial). You can cancel online and at any point.


For those  a little geeky you can use LastPass which is an online password keeper to keep your passwords securely backed up. This runs on iPhone, iPad, Android devices, Windows smart phone and Windows and is free for 6 months using your email (will give you 6 months free if you already have a subscription).


Evernote is a free note taking app for iPhone, iPad, Android devices, Windows smart phone and Windows. It stores all your notes in the cloud, meaning you can easily access your notes from any device and everything is backed up. I use Evernote daily for pretty much everything.

Feel free to to add comments with any other deals and I’ll add them to the post. :)

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MCSA Server/SQL 2012 electives changes

Microsoft has made some changes to the MCSA for Server 2012 and SQL 2012 by introducing electives. This I feel is good idea as it allows you to pick an exam that may be more relative to your job role. So in my case I will be taken the following mandatory exams:

70-410: Installing and Configuring Windows Server
70-411: Administering Windows Server 2012

and then I can decide to do 70-409: Server Virtualization with Windows Server Hyper-V and System Center.

Taken from

For MCSA: Windows Server 2012 > Exams 410 and 411 are required. You can choose one of the following exams to fulfill the requirements for the third exam in the path:

  • Exam 346: Managing Office 365 Identities and Requirements
  • Exam 409: Server Virtualization with Windows Server Hyper-V and System Center
  • Exam 412: Configuring Advanced Windows Server 2012 Services
  • Exam 462: Administering Microsoft SQL Server 2012 Databases

For MCSA: SQL Server 2012 > Exams 461 and 462 are required. You can choose one of the following exams to fulfill the requirements for the third exam in the path

  • Exam 411: Administering Windows Server 2012
  • Exam 412: Configuring Advanced Windows Server 2012 Services
  • Exam 463: Implementing a Data Warehouse with Microsoft SQL Server 2012
  • Exam 483: Programming in C#

MCSA electives Server 2012



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