
Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

When you try to unlock a BitLocker-protected drive or enable BitLocker, you may ...

When Windows Search fails to connect to online services, you may see error code 0x80072f0d. This ...

When running DISM /Online /Cleanup-Image /RestoreHealth, you may see error 0x8007371...

If Outlook is taking too long to open, send emails, or search, it's usually due to one of a few c...

If Chrome behaves oddly—settings reset, extensions disappear, or bookmarks vanish—the profile con...