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

How to Fix Microsoft Store Not Opening

When you click the Microsoft Store icon and nothing happens—or it flashes and closes—it's usually...

Fix Task Scheduler 502 Bad Gateway After Setup

You set up a task in Windows Task Scheduler to hit a web endpoint, but it returns a 502 Bad Gatew...

UFW Port Closed Despite Allow Rule: Fixes

You've added a UFW allow rule for a port, but a port scan or service test shows the port is still...

Fix 'kubectl context not found' Error in Kubernetes

When you run a kubectl command and see an error like context not found,...

Fix PowerShell Remote Connection Refused Error

Fix Command Prompt 404 Not Found Error

If you're seeing a '404 Not Found' error in Command Prompt, it usually means the file, command, o...