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

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Windows Defender Real-Time Protection Turned Off & Connection Refused

You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...

Fix Windows Defender Error 0x80073b01 (Crash on Startup)

If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...

Fix Windows Security Auto Start Registry Settings

If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...

Task Scheduler Not Responding? High Memory Fixes

If Task Scheduler stops responding or consumes excessive memory, scheduled tasks may fail or the ...

npm EACCES Permission Denied: Complete Troubleshooting Checklist

You run npm install -g some-package and get EACCES: permission denied. ...