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Fix Windows Defender Invalid Configuration Permission Denied

You see an error like "invalid configuration permission denied" when trying to c...

Fix 'Command Not Found' in Windows Terminal for PowerShell

If you're using Windows Terminal and see 'command not found' when running a PowerShell command, i...

Fix Windows Update File Locked Registry Error

When Windows Update fails with an error like 0x80070020 or a message that a file is ...

Reset Windows Defender Settings via Command Line

If Windows Defender is misbehaving—showing false positives, missing updates, or refusing to run—r...

Fix Windows Security Proxy Error After Update

After a Windows update, you might see a proxy error in Windows Security (formerly Windows Defende...

How to Fix BitLocker SSL Certificate Error

Symptoms

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