Checklists for software errors, setup, and tool workflows.

Fix Command Prompt Not Working After Windows Update

After a Windows update, you might click on Command Prompt and see nothing happen, or it flashes a...

Fix OneDrive Sync Module Not Found Error 0x8004de40

You see the error "Sync module not found" with code 0x8004de40 when trying to use OneDrive. This ...

How to Free Up a Port in Command Prompt (Windows)

When an application fails to start because a port is already in use, you need to free that port. ...

How to Fix a File Locked by Windows Security in Windows 10

You try to open or run a file, and Windows Security blocks it with a message like "Windows protec...

How to Set Up Remote Desktop with Multiple Monitors

If you work from home or need to access your office PC remotely, using multiple monitors can save...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...