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

Fix Outlook DNS Errors After a Recent Update

After a recent Outlook update, you might see a DNS error when trying to send or receive email. Th...

Fix Outlook 502 Bad Gateway Error on Windows 10

If you see a 502 bad gateway error in Outlook on Windows 10, it usually means the connection betw...

Fix Windows Activation Port Already Allocated & Firewall Errors

When Windows activation fails with "port already allocated" or a firewall-related error, it usual...

Windows Security Network Error Checklist: Step-by-Step Fixes

If you're seeing a network error in Windows Security—like "Something went wrong" or "Can't connec...

How to Check Which Process Is Using a Port in PowerShell

When a service fails to start or an application complains that a port is already in use, you need...

Fixing Microsoft Teams Rate Limit Error When Sending Messages