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

Fix Windows Activation Invalid Configuration Error

You see a message that your Windows activation is invalid due to a configuration problem. This us...

Fix PostgreSQL Password Authentication Failed in pg_hba.conf

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

Task Scheduler Configuration Checklist for Automated Backups

Automated backups via Windows Task Scheduler can fail silently due to misconfiguration. This chec...

Outlook 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 bad gateway error in Outlook, it usually means the server gateway is misconfigur...

Fix Windows Update Service Stuck on Starting

You open Services.msc, see the Windows Update service status as 'Starting', and it never changes....

Fix Windows Defender Module Not Found Error 0x80070643