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

Fix NVM Not Found in Git Bash on Windows

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 Windows Update Error 502 Bad Gateway

Windows Update may show a 502 Bad Gateway error when the update service cannot reach Microsoft's ...

Windows Security Firewall Configuration Checklist

If you've ever enabled the Windows Firewall and suddenly lost access to a shared printer or could...

Fixing Task Scheduler Performance Issues with Many Tasks

When you manage hundreds of scheduled tasks in Windows Task Scheduler, you may notice the console...

Create a New Firefox Profile When Your Old One Goes Missing

If Firefox fails to start or you see a message that your profile is missing, it's often due to a ...