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 PowerShell Set-ExecutionPolicy Permission Denied

When you try to run Set-ExecutionPolicy in PowerShell and get a 'permission denied' ...

Fix Task Scheduler Error 0x80070005 (Access Denied)

When Task Scheduler shows error 0x80070005, it usually means the service can't start a task due t...

Fix PowerShell Stuck on Loading PowerShell 7

You launch PowerShell 7, and the window shows “Loading PowerShell 7” indefinitely. The prompt nev...

Windows Update 502 Bad Gateway: Step-by-Step Fix

When you run Windows Update and see a 502 Bad Gateway error, it usually means th...

Windows Security 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 Bad Gateway error when opening Windows Security, it usually means the app can't ...