Checklists for software errors, setup, and tool workflows.

Fix Windows Activation 504 Gateway Timeout Error

You try to activate Windows, but get a '504 Gateway Timeout' error. This usually means the activa...

Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist

If you see error 0x80073cf9 when installing or updating apps from the Microsoft Store, it usually...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

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

Fix OneDrive Sync Offline Installer Error 0x8004de40

When installing OneDrive using the offline installer, you may see error code 0x8004de40. This typ...

Fix Microsoft Store Authentication Failed Error

When you see an authentication failed error in the Microsoft Store, it usually means the store ca...

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...