How to Fix Windows Update Authentication Failed Error
When you see 'Authentication failed' while running Windows Update, it usually means the update se...
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Browse manualsFix Windows Update Error 0x80070002 Permission Denied
If you see error 0x80070002 with a "permission denied" message when running Windows Update, it us...
Setup Windows Defender to Trust an SSL Certificate
If you're running a local development server or an internal application with a self-signed or pri...
How to Fix 'Windows Defender Module Not Found' Error
If you see 'Windows Defender module not found' when trying to open Windows Security or run a scan...
Fix Windows Defender Stuck on 'Loading Group Policy Configuration'
If Windows Defender shows “Loading Group Policy Configuration” and never finishes, the security c...
How to Fix Windows Defender File Locked Error 0x80070020
Error 0x80070020 often appears when Windows Defender (Microsoft Defender Antivirus) is scanning a...
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