
Fix 'Security Module Not Found' in Windows Defender
If you see a message in Windows Security that says something like "Security module not found" or ...

If you see a message in Windows Security that says something like "Security module not found" or ...

When you see BitLocker error 0x80071771, it usually means Windows cannot read or apply the recove...

When Windows Update fails with a proxy error, it often means the system's proxy settings are misc...

When you run a scheduled task in Windows and get a "path not found" error (code 0x80070002), the ...

You open Windows Defender and see an authentication failed error. This often happens after a fail...

You unlock a BitLocker-encrypted drive, but when you try to open it, Windows says 'permission den...