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

GitHub Actions Workflow Not Triggering: Fixes & Checks

You've set up a GitHub Actions workflow, pushed a commit, and nothing happens. The workflow doesn...

Fix PowerShell Proxy Authentication Failed Errors

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

Fix Firefox Secure Connection Failed Errors: Practical Steps

When Firefox displays a 'Secure Connection Failed' error, it usually means the browser cannot ver...

How to Set Up Windows Defender for Low Memory Usage

If your system feels sluggish or you see high memory usage from Antimalware Service Executable (M...

Fix Corrupt Task Scheduler Task Using schtasks Command

When a scheduled task in Windows Task Scheduler shows a status of "Corrupt" or fails to run with ...