
Troubleshooting
Reset Windows Defender Service to Default Settings
If Windows Defender isn't starting, showing errors, or acting strangely, the service settings may...
Clear technical guides for everyday software errors, configuration problems, and productivity tools.

If Windows Defender isn't starting, showing errors, or acting strangely, the service settings may...

When you run a PowerShell command and see Service Unavailable Permission Denied, it ...

If you're trying to mount a BitLocker-encrypted drive on Ubuntu and getting a "Permission denied"...

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...

If you're having trouble with the Microsoft Store—apps not downloading, updates stuck, or the sto...

After installing Malwarebytes, some users see 'command not found' when trying to run Windows Defe...
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