Checklists for software errors, setup, and tool workflows.

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

How to Fix Windows Cannot Access Shared Folder

You try to open a shared folder on another PC and get 'Windows cannot access \\computer\share...

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

Fix Windows Update Service Not Running in Event Viewer

You open Event Viewer to check for errors after a failed Windows Update, and you see an event sta...

Fix Nginx 403 Forbidden: Permission Denied Errors

You're trying to access a site served by nginx, but you get a 403 Forbidden ...