Checklists for software errors, setup, and tool workflows.

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Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot

You're upgrading to Windows 11, and the Installation Assistant gets stuck at 99% for a long t...

Cloudflare DNS Not Updating After Change: Fixes That Work

You change a DNS record in Cloudflare, wait, and the old IP still resolves. This is a common frus...

How to Fix Nginx Redirect Loop with Cloudflare

You set up Cloudflare for your site, and now visitors see a redirect loop error. The page keeps r...

Fixing NGINX Upstream Connection Refused SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Fix npm ERR! enoent ENOENT: package.json Not Found on Linux

If you're running npm on Linux and see npm ERR! enoent ENOENT: no such file or director...

Fix Windows Update Service Not Running with DISM Restore Health
You try to run DISM /Online /Cleanup-Image /RestoreHealth and get an error saying th...