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

Fix PowerShell Proxy Authentication Failed Errors

Fix BitLocker Token Expired on Domain-Joined PC

When a domain-joined PC shows a BitLocker recovery prompt with a message that the token has expir...

Fix Windows Security DNS Error Blocking Internet Access

If your internet stops working and you see a Windows Security DNS error, it usually means the DNS...

How to Increase Windows Search Rate Limit

If Windows Search stops returning results or feels slow, you might be hitting the internal rate l...

UFW Port Closed Despite Allow Rule: Fixes

You've added a UFW allow rule for a port, but a port scan or service test shows the port is still...

Fix Task Scheduler 'Module Not Found' and 'Permission Denied' Errors

When you schedule a task in Windows Task Scheduler and get errors like 'module not found' or 'per...