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

Fix Chrome DNS_PROBE_FINISHED_NXDOMAIN After Network Change

If Chrome shows DNS_PROBE_FINISHED_NXDOMAIN right after you connected to a new W...

Fix Outlook Network Error Permission Denied

You try to send or receive mail in Outlook, and get a network error saying 'permission denied'. T...

Fix Windows Activation Connection Timeout Error

When you see a "Connection timeout" error while trying to activate Windows, it usually means the ...

Nginx 404 Not Found Troubleshooting Checklist

When nginx returns a 404 Not Found error, it means the server is running but cannot locate the re...

Fix Windows Update Error Due to Port 80 Already in Use

Windows Update may fail with error 0x8024402c or similar when another application is already usin...

Fix 'Permission Denied' When Opening System32 in Command Prompt