
Fix 'Turn On Windows Defender Access Denied' Error
You try to turn on Windows Defender, but get an "Access Denied" message. This usually means somet...
Software troubleshooting desk

You try to turn on Windows Defender, but get an "Access Denied" message. This usually means somet...

You open Microsoft Store on Windows 11, try to install or update an app, and see an error about a...

When you try to activate Windows 10, the progress bar may hang at 0% and never move. This usually...

You’re trying to unlock a BitLocker-encrypted drive using a USB flash drive that contains your re...

If Windows Security won't open, shows a blank screen, or throws errors like "Security service has...

If Windows Security (formerly Windows Defender) won't open, shows errors like "This app has been ...