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

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Install NuGet Provider Manually Without Internet

Fix 'Outlook File Locked by Windows File Sharing' Error

You try to open Outlook and get an error that the PST or OST file is locked by Windows file shari...

How to Fix Command Prompt Hanging When Running as Administrator

You right-click Command Prompt and select “Run as administrator,” but the window either doesn’t a...

Fix Microsoft Teams DNS Error After Update

After a Microsoft Teams update, you may see a DNS error preventing sign-in or connection. This us...