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

Fix Command Prompt 502 Bad Gateway Due to DNS Issues

If you're seeing a 502 Bad Gateway error while using Command Prompt to access a web service or AP...

Fix Edge Profile Sync Paused on Windows 10

If you see "Sync is paused" in Microsoft Edge on Windows 10, your bookmarks, passwords, and setti...

pgAdmin Server Not Responding After Upgrade: Quick Fixes

After upgrading pgAdmin, you might see the server not responding in the dashboard or get connecti...

How to Fix Chrome Token Expired Error 400

You're working in Chrome and suddenly get a 400 error: token expired. This usual...

Fix Command Prompt Sync Issue with System Clock

How to Fix Windows Defender Cannot Connect Issue

If you see “Windows Defender cannot connect” or similar errors, it usually means the service is b...