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I have a MSDN Subscription and downloaded Windows 8.1 RTM today.

It fails to install.

After mounting the ISO and installing (with a Windows 8.1 Pro product code), selecting "Keep my apps and settings", it copies all installation files, restarts and then bluescreens at around 50%, then rolls back to the previous version.

System has 64 GB Memory, Supermicro, Xeon E5-1650, Intel SSD, runs Hyper-V, Windows 8 Pro.

What may be causing this and how do I fix it?

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    Is there an error message displayed when it blue screens and what is it doing just before it blue screens (if it actually tells you what it is doing at that point)?
    – Richard Lucas
    Commented Sep 10, 2013 at 8:27
  • As I said, it was installing, at around 50%, then a bluescreen appeared for a short while,displaying the error message in the header, then restarted
    – vzczc
    Commented Sep 10, 2013 at 10:06
  • upload the dmp file of the BSOD
    – magicandre1981
    Commented Sep 10, 2013 at 17:21
  • The strange this is that no new DMP files are found (only old ones from a few months back)
    – vzczc
    Commented Sep 11, 2013 at 7:13
  • check if you have enough disk space available. the 4gb that microsoft tells you need is a lie. If you are on the edge (let's say you have 8 free, i recommend to go with more than 10gb)
    – Bart Calixto
    Commented Sep 13, 2013 at 2:59

1 Answer 1

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Disable Windows Firewall and then try to install Windows 8.1.  Details are here: Windows Firewall from start to finish.

OR

Boot the computer in Clean Boot and try to install Windows 8.1: http://support.microsoft.com/kb/929135

Source

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