After an update and shutdown, my PC shows a recovery screen with error 0xc000000f. Choosing the recovery environment or Safe Mode just restarts it back to the same screen. I don't have an installer USB and would rather avoid a full reset if possible.
Windows 11 won't enter recovery after an update. What can I try?
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5m~ribbon_247
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Try booting from Windows installation media instead of the recovery environment on the internal drive. You'll need access to another working PC and a USB drive to create it using Microsoft's Windows 11 installation media tool.
Once the affected PC boots from the USB, choose Repair your computer rather than Install. From there you can try Startup Repair or the option to uninstall a recent update. The recovery environment on the drive may be damaged, but the error alone doesn't establish what caused the failure.
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Get a photo of the complete recovery screen, especially any file path shown along with 0xc000000f. That code helps narrow things down but isn't enough on its own to identify a bad file or tell you which repair command to run.
If you can get Windows or Safe Mode running later, check C:\Windows\Minidump for crash logs. They may help with a blue screen diagnosis, though there might not be a useful dump for this boot failure.
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Hold off on reinstalling for now if you want to keep the existing setup. A reinstall can mean losing installed apps and potentially files, depending on the choices you make. If there's anything on the drive you can't replace, make a backup before attempting repairs that change the disk or firmware settings.
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u24~ribboncase_806:
Creating the installer erases the USB drive, so copy anything you need off it first.