Microsoft released security updates on its August Patch Tuesday that addressed privilege escalation vulnerabilities but an apparent font cache clearing issue caused Windows boxes to turn the colour of the screen to Blue.
The tech giant forced to make this decision after hundreds of complaints, regarding the infamous Blue Screen of Death error, were sent to the company. This was not the only update to be made last week.
The offending Microsoft patch identified as MS 14-045, one of the nine updates which fixes three security issues including one in the Windows kernel - the heart of the operating system - can cause system crashes forcing users to reboot it.
Soon after the initial release of the patch, the issue surfaced on Microsoft’s support forum with a post from a member named Xformer complaining of "Stop 0x50 errors," aka blue screen after applying any of four updates (KB2982791 KB2970228 KB2975719 or KB2975331).
If you update your Windows with the update, a message flashed on the screen that reads: “Your PC ran into a problem and needs to restart. We’re just collecting some error info and then we’ll restart for you (0% complete).”
"Installation went smoothly. After rebooting everything worked fine. But when I shut down my notebook and switched it on a little later it came up with a blue screen with a Stop 0x50 in Win32k.sys. I could not even boot into safe mode as Windows failed to start no matter which mode chose", Xformer explained on Microsoft's support discussion forum.
The vast majority of complaints came from the users running Windows 7 PCs with the 64bit version, and as a response, Microsoft published a FAQ for the update which includes an official and detailed explanation stated:
“Microsoft revised this bulletin to address known issues associated with installation of security update 2982791. Microsoft is investigating behavior associated with the installation of this update, and will update this bulletin when more information becomes available. Microsoft recommends that customers uninstall this update.”
An additional precaution from the company’s side is that it has removed the download links to the 2982791 security update. How to uninstall this update, see Microsoft Knowledge Base Article 2982791.
Microsoft asserts that investigations are ongoing, following the instructions to uninstall the updates. According to the company, the issue could also be the result of three prior updates, from which #3 is the most severe:
KNOWN ISSUE 3
Microsoft is investigating behavior in which systems may crash with a 0x50 Stop error message (bugcheck) after any of the following updates are installed:
- 2982791 MS14-045: Description of the security update for kernel-mode drivers: August 12, 2014
- 2970228 Update to support the new currency symbol for the Russian ruble in Windows
- 2975719 August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
- 2975331 August 2014 update rollup for Windows RT, Windows 8, and Windows Server 2012
This condition may be persistent and may prevent the system from starting correctly.
The uninstallation instructions are long and involved in the Knowledge Base articles as mentioned above, but users are recommended to uninstall the buggy update as soon as possible.
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