Microsoft rushes out emergency fix for Windows 11 bug that stops PCs recovering from boot failures

• Microsoft has rushed out an emergency patch for a nasty bug
• It rendered the recovery environment unusable in Windows 11 25H2
• This is the feature that helps you recover from a boot failure

Microsoft has quickly deployed an emergency patch for Windows 11 outside of its usual schedule of updates to fix a major problem with the Windows Recovery Environment (WinRE).

XDA Developers spotted the 'out-of-band' update that has just been released by Microsoft, known as patch KB5070773 for Windows 11 25H2. It was the latest cumulative update (for October) and included the bug for version 25H2, which stopped USB keyboards and mice from working in WinRE.

WinRE is the feature that kicks in if your PC fails to boot, so it's vital when disaster strikes your Windows 11 system and you need to recover. Being unable to use the mouse or keyboard ...