Windows — 11 Last Known Good Configuration

You could boot into a recovery command prompt and manually edit the registry to swap the Default and LastKnownGood control sets, but this is dangerous. It is much safer to use the "Uninstall Updates" tool. While it feels nostalgic to hit F8 and select "Last Known Good Configuration," the new Windows 11 system is objectively safer. Automatic Repair is harder to mess up, and the "Uninstall Updates" workflow handles 90% of the cases where you would have used LKGC.

If you’ve been working with Windows for a long time—say, since the days of Windows XP, 7, or even 10—you probably remember a specific safety net. It was called Last Known Good Configuration (LKGC). windows 11 last known good configuration

Technically, the LastKnownGood control set still exists deep in the registry hive ( C:\Windows\System32\config\SYSTEM ). However, there is to activate it in Windows 11. You could boot into a recovery command prompt

If you really miss the F8 menu, you can re-enable it via bcdedit /set {default} bootmenupolicy legacy in an admin command prompt. However, on NVMe SSDs and UEFI systems, you’ll still blink and miss the window. Automatic Repair is harder to mess up, and

So, where is it in Windows 11?

The short answer: Microsoft removed the legacy F8 menu and the classic LKGC feature years ago.

You’d mash during boot, see the Advanced Boot Options menu, and select "Last Known Good Configuration" to roll back your registry and driver settings to the last time the PC actually started successfully. It saved many a system from a bad driver or a misconfigured registry tweak.