Do Son Microsoft confirms Windows 11 update KB5089549 fails and rolls back at 35% with error 0x800f0922 on systems with low EFI partition storage. Learn the fix.
KB5089549
Seeing a new SecureBoot folder under C:\Windows? Microsoft confirms it is part of an essential KB5089549 update to replace expiring 2011 UEFI certificates.
Update Alert: Windows 11 KB5089549 Triggers Widespread Network Degradation and Installation Failures
Update Alert: Windows 11 KB5089549 Triggers Widespread Network Degradation and Installation Failures
Windows 11 KB5089549 is causing severe network lag and boot-loop installation failures. Learn why IT admins say the latency persists even after uninstallation.