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 502 Bad Gateway Nginx from Command Line

If you're seeing a 502 Bad Gateway error from Nginx, it usually means Nginx can'...

Fix 'Access Denied' in Windows Terminal: Run as Administrator

If you see 'Access Denied' when opening Windows Terminal, it usually means the app lacks the perm...

Fix Windows Certificate Error 0x800b0109

When you see error code 0x800b0109 in Windows, it means the operating system cannot verify a digi...

Chrome Profile Troubleshooting Checklist

If Chrome won't open, displays a profile error, or loses your bookmarks and extensions, the profi...

Fix Chrome Profile Port Already Allocated Error

When you try to launch a second Chrome profile using a command line flag like --user-data-d...