New Windows 11 25H2 Update Problem Causes Installation Failure in KB5089549 (How to Fix)
Workaround
Option 1: Allow the update to install by modifying an ESP registry setting
Important: Editing the registry incorrectly can cause serious system problems. Always back up the registry before making any changes.
1. Open Command Prompt as an administrator.
2. Run the following command: reg add “HKLM\SYSTEM\CurrentControlSet\Control\Bfsvc /v EspPaddingPercent /t REG_DWORD /d 0 /f”
3. Restart the affected device
4. Retry installing the update.
Option 2: Mitigate the issue by using Known Issue Rollback (KIR)
