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

Fix Windows Security Migration Not Working After Update

After a Windows update, you might find that Windows Security (formerly Windows Defender) fails to...

How to Fix SSH Permission Denied (Publickey) on Git Push

You try to push a commit and see: Permission denied (publickey). The push fails. Thi...

Resolving npm Dependency Conflicts After an Update

Replacing Windows Defender on Ubuntu: Practical Alternatives

If you're migrating from Windows and miss the built-in protection of Windows Defender, you'll fin...

Fix systemd Service Restart Loop Due to Unit File Errors

You notice a service keeps restarting repeatedly, filling logs with start/stop messages. This oft...

Fix Windows Security Service Unavailable Permission Denied

You open Windows Security and see 'Service unavailable' or 'Permission denied'. The app may not o...