Knowledge base for software setup, errors, and daily tool work.

Fix Windows Defender Causing Slow Boot Up

If your PC takes longer to start up than it used to, Windows Defender might be scanning too aggre...

BitLocker Recovery Key 404 Not Found on Windows 10: Fixes

If you're seeing a '404 Not Found' error when trying to access your BitLocker recovery key on Win...

Fix Windows Search Database Version Mismatch Errors

When Windows Search shows a database version mismatch, you typically see an error message like 'T...

Windows Defender Troubleshooting Checklist

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

Fix Windows Defender High Memory Usage & Error 0x80070002

You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...