Checklists for software errors, setup, and tool workflows.

Windows 11 Update Failed Blue Screen Rollback Fix

You start your PC after a Windows 11 update and get a blue screen, then it rolls back. This artic...

Fix Windows 11 Update Stuck at 0% with Clean Boot

You start a Windows Update, but it sits at 0% for minutes or hours. This can happen after a faile...

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

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

Fix Windows Update Error 0x80070005: Permission Issues

When you see Windows Update error 0x80070005, it usually means the update process lacks proper pe...

Fix NET::ERR_CERT_AUTHORITY_INVALID via Chrome Enterprise Policy

If you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome on a managed device, the is...