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

Fix DNS_PROBE_FINISHED_NXDOMAIN Error in Chrome for All Sites

If you see DNS_PROBE_FINISHED_NXDOMAIN in Chrome and no sites load, it means you...

Fix MySQL 'Access Denied for User 'user'@'%'' Error

If you're seeing ERROR 1045 (28000): Access denied for user 'user'@'%', it means MyS...

Fix GitHub Actions Docker Push Permission Denied

SSL Certificate Error in Command Prompt: Troubleshooting Checklist

When you see SSL certificate errors in Command Prompt — often with tools like curl, ...

Fix Outlook OAuth 2.0 Token Expired Error

If you see an error like “Token expired” or “Authentication failed” in Outlook ...

Fix Chrome Profile Connection Refused Error

You open Chrome and see "Connection refused" or "ERR_CONNECTION_REFUSED" for every site, or only ...