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Windows 8.1 refuses to boot after Tuesday Update
Last Tuesday Microsoft issued their August updates for fixes and security, unfortunately it renders Windows 8.1 completely to un-bootable for a lot of end-users as they end up with a black failure screen. The issue resides in two updated files. On the Microsoft support forum it rains complaints about the so called August update. Read more after the break.
Users that have a system restore point enabled can retrieve access to the OS in the pre-update state and get Windows going again. Those that have system restore disabled are in a world of hurt and might have to reside to a system OS backup, or revert to a clean install. For those with a system restore point, please make sure that you uninstall the following updates: KB2982791 and the optional update KB2975719 as these are the two responsible for all this.
The problem identifies itself (for those affected) after your system has had two reboots after installing the August update. Microsoft explains that the problems are being investigated and that they are looking for a solution with the team responsible for the KB2982791 and KB2975719 updates.
Yeah ... FAIL.
Update: Looks like a fix may have been found! Here are the steps posted by Voyager72.
After restoring my pc to the pre-patch state, i was able to install these succesfully by taking the following steps:
1. Reboot into safe mode with command prompt
2. Delete fntcache.dat from c:\windows\system32
3. Reboot back to windows 8.1. The fntcache.dat file is auto-recreated.
4. Install the two famous updates and pray
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Goose
Senior Member
Posts: 170
Joined: 2011-01-06
Senior Member
Posts: 170
Joined: 2011-01-06
#4894518 Posted on: 08/15/2014 05:20 PM
I've only rebooted the one time: I think I'll not touch 'er 'till the next set of patches announce themselves …
I was panicked when I read the this post. TheN I realised I rebooted more than 2 times after the Tuesday update. That's really bad.
I've only rebooted the one time: I think I'll not touch 'er 'till the next set of patches announce themselves …
kakarot
Senior Member
Posts: 1126
Joined: 2002-02-21
Senior Member
Posts: 1126
Joined: 2002-02-21
#4894521 Posted on: 08/15/2014 05:23 PM
I've had no issues either but it's really starting to look like a good idea to wait a few days before installing any updates which is kinda sad
I've had no issues either but it's really starting to look like a good idea to wait a few days before installing any updates which is kinda sad
-Tj-
Senior Member
Posts: 17811
Joined: 2012-05-18
Senior Member
Posts: 17811
Joined: 2012-05-18
#4894524 Posted on: 08/15/2014 05:28 PM
Yesterday i apply the update.. all fine ..
in the evening i power off my PC and reboot 1 hour after ..
BSOD when enter windows: error 0x000050 ( Page file fault in non paging area ).
Impossible to recover, i have just need completely reinstall windows files.
Corrupted win32k.sys file.
impossible to just repair the boot files, normal repair was not working. Its ok it was quickly fixed by reinstall the windows files but well.
Im not on windows 8... it was with windows 7... maybe a pure hasard, but seriously the installation was 100% sure before the update. (never got a crash on months, or anything wrong with this setup ) .
I see at least some little things, i have some specific settings for my SSD ( Including rapidfire ( cache ) .. something have maybe conflict somewhere.
Yes, you need to delete this font cache file and let windows re-generate it..
See here
http://forums.guru3d.com/showpost.php?p=4894420&postcount=18
Yesterday i apply the update.. all fine ..
in the evening i power off my PC and reboot 1 hour after ..
BSOD when enter windows: error 0x000050 ( Page file fault in non paging area ).
Impossible to recover, i have just need completely reinstall windows files.
Corrupted win32k.sys file.
impossible to just repair the boot files, normal repair was not working. Its ok it was quickly fixed by reinstall the windows files but well.
Im not on windows 8... it was with windows 7... maybe a pure hasard, but seriously the installation was 100% sure before the update. (never got a crash on months, or anything wrong with this setup ) .
I see at least some little things, i have some specific settings for my SSD ( Including rapidfire ( cache ) .. something have maybe conflict somewhere.
Yes, you need to delete this font cache file and let windows re-generate it..
See here
http://forums.guru3d.com/showpost.php?p=4894420&postcount=18
LesserHellspawn
Senior Member
Posts: 685
Joined: 2010-03-27
Senior Member
Posts: 685
Joined: 2010-03-27
#4894540 Posted on: 08/15/2014 05:42 PM
I wonder if it's affecting mainly the people who go through the whole process of installing 8.0 and then the store upgrade.
I read a guy's account on MDL of his PC becoming unusable because the updates destroyed his font cache.
I've gotten lucky so far but damn.
Shouldn't be the issue. Did the full upgrade routine on both PC and notebook, both are alive and well. At least the PC has booted plenty of times since patchday.
I wonder if it's affecting mainly the people who go through the whole process of installing 8.0 and then the store upgrade.
I read a guy's account on MDL of his PC becoming unusable because the updates destroyed his font cache.
I've gotten lucky so far but damn.
Shouldn't be the issue. Did the full upgrade routine on both PC and notebook, both are alive and well. At least the PC has booted plenty of times since patchday.
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Senior Member
Posts: 11835
Joined: 2011-12-31
I wonder if it's affecting mainly the people who go through the whole process of installing 8.0 and then the store upgrade.
I read a guy's account on MDL of his PC becoming unusable because the updates destroyed his font cache.
I've gotten lucky so far but damn.