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

Fix PowerShell Service Unavailable Error During SFC Scan

You try to run sfc /scannow in PowerShell and get an error like "Service unavailable...

Fix Windows Defender 504 Gateway Timeout Error

You open Windows Security and see a '504 Gateway Timeout' error. This usually means Windows Defen...

Fix Microsoft Store Connection Refused by Firewall

If you see "connection refused" when opening Microsoft Store, your firewall or network settings a...

How to Fix BitLocker SSL Certificate Error

Symptoms

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

Fix Outlook Slow Search Not Working Properly

If Outlook search is slow or returns no results, the problem is often a corrupted search index, a...

Checklist for Fixing OneDrive SSL Certificate Issues

You see an error like "A certificate chain could not be built" or "SSL certificate problem" when ...