Checklists for software errors, setup, and tool workflows.

Fix Windows Update Error 0x80070002

When Windows Update fails with error 0x80070002, it usually means the update installer can't find...

Windows Update 502 Bad Gateway: Step-by-Step Fix

When you run Windows Update and see a 502 Bad Gateway error, it usually means th...

Fix Windows Update Error 0x80070643 Installation Failed

You see error 0x80070643 when trying to install a Windows update, and the setup fails partway thr...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

FileZilla Passive Mode Connection Timed Out Fix

If you see "Connection timed out" when FileZilla attempts passive mode transfers, the issue is us...

How to Fix Chrome Profile File Locked Error

When you see "Your profile could not be opened correctly" or "The profile appears to be in use by...