Checklists for software errors, setup, and tool workflows.

Configure Proxy Settings for Windows Update

If Windows Update fails to check for updates or downloads get stuck, a misconfigured proxy is a c...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix MySQL Access Denied for User with Correct Password

You've double-checked the username and password, but MySQL still returns 'Access denied for user'...

BitLocker Recovery Key Not Accepted: 504 Error Fix

You enter your BitLocker recovery key, but get a 504 error. The key is not accepted. This usually...

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 ...

How to Fix Windows Activation Error 0x8007007b

When you see error 0x8007007b during Windows activation, it usually means the operating system ca...