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

How to Fix Windows Defender Firewall Blocked App

You try to open an app, but it either won't start or can't connect to the internet. A common caus...

Fix Windows Defender Token Expired Preventing Service Start

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

Windows Defender 504 Timeout: Quick Troubleshooting Checklist

You open Windows Security or try to run a scan, and instead of working, you get a 504 timeout err...

Fix GitHub Actions Permission Denied for Secret Access

When a GitHub Actions workflow fails with a "permission denied" error while trying to access a se...

Fix Maven Dependency Resolution Failed in IntelliJ

Apache Service Not Starting After Configuration Change: Fixes

You've edited Apache's configuration files, restarted the service, and now it won't start. This i...