Microsoft admits Windows 11 update bug accidentally flashes Safe mode screen

Windows 11 Safe mode issues

Safe mode is apparently the most preferred tool for
troubleshooting potential hardware and driver issues, but a
Windows 11 cumulative update accidentally made the feature
unusable and Microsoft has finally acknowledged the reports
doing rounds on the social media as well as the Feedback Hub.

For those unaware, Windows Safe Mode disables a number of
drivers and files, and it is essentially a cracked down version
of Windows to help you easily troubleshoot the OS. Safe mode
still comes with a functional File Explorer, Start Menu and

Windows 11 KB5012643 (an optional update with noteworthy
improvements and fixes) broke Safe mode and introduced a bug
that causes the screen to flicker when you boot into the Safe
mode, thus making it unstable. As per reports, Windows 11 Safe
mode flickered when users opened File Explorer, Start Menu,
Taskbar, and other screens.

The issue was spotted immediately after the release of the
cumulative update and users flagged it in the Feedback Hub.
Users on Twitter also noted the issue and Microsoft is now
rolling out an emergency update to fix the broken Safe mode.

If you’re affected, you will also see a log on the Windows
Event Log. The error “The shell stopped unexpectedly and
explorer.exe was restarted” will appear within the “Winlogon”

In a support
document, Microsoft says the Safe mode doesn’t work when it
is started using the “Safe Mode without Networking” option.
Although the company has released an emergency server-side
update, if Safe Mode still doesn’t work, you should try
launching it with Networking enabled.

In theory, it could take up to 24 hours to revert the fault
code and propagate the fix automatically to consumer devices.
If Windows Update is managed using the enterprise-friendly
Group Policy editor, you can configure the following special

  • Open Group Policy Editor > Local Computer Policy or the
    Domain policy.
  • Go to Administrative Templates and locate KIR Group Policy,
    and then select the version of Windows you want to use it.
  • Set it to “Disabled”.
  • Restart the affected device.

Microsoft’s screenshot tool crashes on Windows 10

In addition to Windows 11, Microsoft has also confirmed an
issue in Windows 10.

Earlier this month, Microsoft quietly updated its support
documents to acknowledge a critical bug whereby the
screenshot tool ‘Snip & Sketch’ won’t launch on Windows 10.

Microsoft says it has received reports stating that the Snip &
Sketch app might fail to capture a screenshot. In fact, it
won’t even open when using the keyboard shortcut (Windows

Microsoft is investigating the reports and more details will be
provided in the future, but the company isn’t aware of any
workaround at the moment.

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