Workflow manuals for setup steps, repeatable tasks, and software operations.

Clear Chrome Certificate Cache to Fix NET::ERR_CERT_AUTHORITY_INVALID

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome, it usually means the browser...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fix Chrome Certificate Error After Update

After a Chrome update, you might see errors like “Your connection is not private” or “NET::ERR_CE...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

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