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

Fix Git 'Fatal: Repository Not Found' Despite SSH Key Setup

You've set up an SSH key and added it to your Git hosting service, but when you try to clone or p...

Fix Command Prompt Version Mismatch Error Code

When you see a "version mismatch" error in Command Prompt, it usually means the command you're tr...

Chrome Profile Sync Not Working: Practical Fixes

You open Chrome expecting your bookmarks, passwords, and settings to be synced, but nothing appea...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Security Token Expired Error 0x80070520

You see error 0x80070520 with the message 'The security token has expired.' This usually happens ...

Fix Windows Security Rate Limit Error 0x80070005

You open Windows Security and see an error: 0x80070005. Sometimes it says "Access denied" or "Rat...