Checklists for software errors, setup, and tool workflows.

Fix Windows Security 502 Bad Gateway Sync Error

You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...

WSL Ubuntu Network Configuration Checklist

If you're running Ubuntu under WSL and network connections are failing—slow DNS lookups, no inter...

OpenVPN Connection Failed: Check Firewall Settings

You see "connection failed" in your OpenVPN client log. The server is reachable, but the handshak...

How to Fix PowerShell Authentication Failed Error

When you see an "Authentication failed" error in PowerShell, it usually means the system couldn't...

How to Enable Command Prompt Auto Start on Startup in Windows

If you need Command Prompt to open automatically every time you log into Windows—for quick access...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...