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 Disabled by Group Policy: Step-by-Step

If you see "Windows Defender is turned off by group policy" in Windows Security, it means a local...

How to Fix PostgreSQL Password Authentication Failed for User

You see psql: error: FATAL: password authentication failed for user "youruser" when ...

Chrome White Screen: Quick Fixes and Common Causes

You open Chrome and get nothing but a white screen. The browser window is there, but no content l...

GitLab Runner Not Picking Up Jobs: Common Fixes

You've set up a GitLab Runner, but jobs sit in the queue with no signs of being picked up. This g...

Fix MongoDB Authentication Failed with Role-Based Access Control

You’re trying to connect to MongoDB and getting an authentication error, even though you’re sure ...