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

UFW Allow Port Range Not Opening: Fixes and Checks

If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...

Fix BitLocker High Memory Usage on Windows 10

If your Windows 10 system feels sluggish and Task Manager shows that BitLocker-related processes ...

How to Fix '404 Not Found' File Path Errors in CMD

Docker Compose Network Setup Checklist

When you run docker-compose up and services can't talk to each other, the network se...

Fix ERR_SSL_PROTOCOL_ERROR on Windows 10

If you see ERR_SSL_PROTOCOL_ERROR in Chrome or Edge on Windows 10, the browser i...

Fix Windows Defender DNS Error 0x800704cf

You open Windows Defender and see error code 0x800704cf. This usually means Windows Defender can’...