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

Checklist to Enable Windows Security Auto Start

If Windows Security (formerly Windows Defender) doesn't start automatically after you log in, you...

How to Fix a systemd Service Configuration Syntax Error

You've edited a systemd service file, run systemctl start myservice, and got a messa...

Fix PowerShell Stuck on Startup in Windows 10

If PowerShell appears to hang or become unresponsive every time it starts on Windows 10, the issu...

Fix Windows Store Error 0x80073cf9 Permission Denied

When you see error 0x80073cf9 in the Windows Store, it usually means the installer can't write to...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Windows Activation Error Troubleshooting Checklist: Step-by-Step

Common Activation Error Types

Windows activation errors usually appear as a watermark on ...