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

Fix 'Port Already in Use' Error with Windows Defender Firewall

You try to start a local service or application, and it fails with an error like 'port already in...

Windows Terminal Connection Refused: Troubleshooting Checklist

When Windows Terminal shows 'connection refused', it usually means the terminal couldn't establis...

Fix Windows Search Not Working After Sleep Mode

You wake your PC from sleep, type in the Start menu search bar, and nothing happens—or results ar...

Java JDK Not Recognized After Installation: Fixes and Checks

Fix Docker Volume Mount Permission Denied Error

You start a Docker container with a volume mount and get Permission denied when tryi...

Fix Windows Terminal Module Not Found Error 0x80070002

When launching Windows Terminal, you may see an error like "Module not found" with code 0x8007000...