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

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

Windows 11 Update Stuck at 0%: Registry Fix Guide

You click 'Check for updates' and see the progress bar stuck at 0% for minutes or hours. ...

Windows 11 Update Stuck at 0%: How to Fix

You start a Windows Update, and the progress bar sits at 0% for ten minutes, an hour, or longer. ...

How to Fix Nginx Redirect Loop from HTTP to HTTPS

If you're seeing an infinite redirect loop when trying to force HTTPS in nginx, the browser u...

Cloudflare SSL Full vs Flexible: Troubleshooting Mixed Content & Errors

If your site shows broken padlocks, mixed content warnings, or SSL errors after changing Cloudfla...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...