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

How to Fix Windows Security 404 Not Found Error

If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...

Fix Windows Search Indexing Permission Denied Errors

If you see a 'permission denied' message in Windows Search indexing, the search indexer can't rea...

Fix PowerShell DNS Query Permission Denied Errors

When running DNS queries in PowerShell, you might see a 'permission denied' error. This typically...

BitLocker Recovery Key Not Working After Update – Fixes

If you're seeing a BitLocker recovery screen after a Windows update and your key isn't working, y...

Remote Desktop Proxy Error Checklist: 10 Common Fixes

If you're seeing a proxy error when trying to connect to a remote desktop, you're not alone. Thes...

How to Fix BitLocker SSL Certificate Error

Symptoms

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