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

Fix Windows Security 404 Not Found Permissions Issue

You open Windows Security and see a 404 Not Found error, or the app won't load at all. Often this...

Redis Connection Refused: Troubleshooting Checklist

When your application logs a Redis::CannotConnectError: connection refused error, it...

Remote Desktop High CPU Usage: Practical Troubleshooting Checklist

If you're connecting to a remote machine and notice the CPU is pegged at 100% or near it, the pro...

Fixing PowerShell Remote Execution Failures on a Network

Fixing Certbot Certificate Renewal Failed Error Code

You run certbot renew and get an error code instead of a renewed certificate. This i...

Fix Remote Desktop Blank Screen After Login with No Cursor

You log into a remote machine via RDP, see the login screen, enter credentials, and then get a bl...