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...

How to Fix Command Prompt High CPU Usage on Windows 10

Fix Remote Desktop Connection Timeout with Registry Tweaks

If your Remote Desktop connection drops after a few minutes of inactivity, or you get a timeout e...

Fix Windows Security Error 404 After Update

After a recent Windows update, you might see an error 404 when opening Windows Security. The app ...

How to Restore Task Scheduler Backup in Windows

If you've lost scheduled tasks after a system restore or migration, restoring a Task Scheduler ba...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...