📎 AI Summary:
A user attempted to upgrade from Windows 7 Home Premium 64-bit to Windows 8.1, but the installation failed after reaching 100%, specifically during the stage before personalizing settings. Another user suggested consulting Microsoft's upgrade tutorial, but the issue persisted. A third contributor recommended performing a clean boot, including disabling third-party security software, to potentially resolve the installation failure. Overall, the thread provides troubleshooting steps for a Windows upgrade failure.
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COREY WHITWORTH14

New Member
Joined
Jan 22, 2015
Messages
2
Thread Author #1
Hello, I recently tried to update from windows 7 home premium 64 bit to windows 8.1. However when I came to the installation process it reached 100% then said 'Your PC will restart in a few moments'. Then a new window opened saying 'Windows 8.1 installation has failed' Please help I have tried everything I can think of. Thanks in advance - Corey :)
 

Last edited:
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COREY WHITWORTH14

New Member
Joined
Jan 22, 2015
Messages
2
Thread Author #3
Yeah, I have seen it, I get the same outcome. Any more help is much appreciated! By the way the stage where my problem happens is during the install so just before i chose my settings and personalise.
 

Trouble

Trouble

Noob Whisperer
Joined
Nov 30, 2009
Messages
13,723
#4
You may want to try Clean Booting the system as described here http://support.microsoft.com/kb/929135/
Before attempting the install.
And make sure that the clean boot includes disabling any Security Suite software especially any third party products.
 

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