Checklists for software errors, setup, and tool workflows.

Fix Windows Activation Error 0x80070002 (Dependency Conflict)

You try to activate Windows and get error 0x80070002. The message often says something like “depe...

SSH Public Key Permission Denied vs Password Authentication: Fixes

You can SSH into a server using a password, but when you try the same connection with a public ke...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

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

How to Fix Windows Activation High CPU Usage

If your PC is running slow and Task Manager shows high CPU usage from a process related to Window...

How to Fix Firefox Not Responding on Windows 10

Firefox becomes unresponsive on Windows 10 for various reasons—a stuck process, corrupted profile...

Fix OneDrive 502 Bad Gateway Error from Proxy Settings

If you see a 502 Bad Gateway error in OneDrive, it often means a proxy or network device is inter...