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

Fix Remote Desktop 404 Not Found with Port Forwarding

When you see a '404 Not Found' error while trying to connect to a remote desktop, it usually mean...

Fix OneDrive Sync Blocked by Network Firewall

If OneDrive stops syncing and you see errors like "Sync is blocked" or files stay stuck with a sp...

Windows Defender Troubleshooting Checklist for Beginners

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

Fix OneDrive Sync Unavailable After Update

After a recent Windows or Office update, you might see “OneDrive sync is unavailable” or the sync...

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

How to Allow an App Through Windows Defender Firewall

If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....