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

Fix GitHub Actions Permission Denied When Pushing to Repository

You set up a GitHub Actions workflow to push changes back to your repository, but the run fails w...

Fix 'Windows Security Cannot Connect to Microsoft Defender' Error

When you open Windows Security and see the message 'Windows Security cannot connect to Microsoft ...

How to Resolve Windows Search Port Conflict Using CMD

If Windows Search stops working or you see errors like “The service cannot be started” or “Port a...

PowerShell Not Responding When Opening: Quick Fixes

You click PowerShell and nothing happens — or the window opens but immediately freezes. This is a...

Fix Microsoft Store 404 Not Found Error on Reinstall