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

Remote Desktop 502 Bad Gateway: Server Overload Fixes

When you try to connect to a remote desktop and see a 502 Bad Gateway error, the...

Checklist for Debugging 502 Bad Gateway in Command Prompt

You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...

How to Fix OneDrive 'File Locked' or 'Permission Denied' Errors

When you see "File locked" or "Permission denied" in OneDrive, it usually means another process h...

Fixing Outlook Connection Timeout Due to Firewall Settings

Outlook suddenly stops sending or receiving email, displaying a 'connection timeout' error. This ...

Fix Windows Security Authentication Error 0x80070035

Fix Windows Security File Locked Error 0x80070020

You try to move, delete, or rename a file, and Windows shows error 0x80070020: "The file is locke...