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

How to Fix Command Prompt Dependency Conflict in Java

When you see a dependency conflict in the command prompt while running a Java application, it usu...

Fix 'Port Already Allocated' Error in Windows Defender on Windows 10

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...

How to Re-enable Windows Defender Real-Time Protection

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...

PowerShell Command Not Found but Works in CMD

Fix Windows Security Not Launching at Startup

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...

How to Fix Docker Daemon Not Running Permission Denied Error

You try to run a Docker command like docker ps and get an error: Cannot connec...