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

Windows Security Firewall Configuration Checklist

If you've ever enabled the Windows Firewall and suddenly lost access to a shared printer or could...

Fixing Microsoft Teams DNS Permission Denied Errors

When Microsoft Teams fails to connect and shows a 'DNS permission denied' error, it usually means...

Fix PostgreSQL Password Authentication Failed in pg_hba.conf

When you see psql: FATAL: password authentication failed for user "username", it usu...

Fix Firefox Not Responding: Disable Hardware Acceleration

If Firefox frequently stops responding, freezes, or shows a "Not Responding" message, hardware ac...

Fix PowerShell 404 Error When Using Invoke-WebRequest