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

How to Fix SSH Permission Denied (Publickey) on Git Push

You try to push a commit and see: Permission denied (publickey). The push fails. Thi...

How to Fix Outlook 504 Gateway Timeout Errors

When Outlook throws a 504 gateway timeout error, it usually means the server your client is tryin...

BitLocker Configuration Checklist for a New Laptop

When you get a new laptop, enabling BitLocker drive encryption is one of the first security steps...

Windows Defender Rate Limit Error Troubleshooting Checklist

You might see a Windows Defender rate limit error when scanning files or updating definitions. Th...

MongoDB Authentication Failed: Administrator Checklist

How to Fix Windows Update Service Unavailable Error

If you see 'Windows Update service unavailable' when trying to check for updates, the Windows Upd...