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

Windows 11 Installation Assistant Stuck at 99%: Fixes That Work

You’re upgrading to Windows 11 via the Installation Assistant, and it gets stuck at 99%. The prog...

Fix ERR_CERT_AUTHORITY_INVALID on Localhost

When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...

Fix VSCode Permission Denied in Docker Containers

When using Visual Studio Code's Remote – Containers extension or attaching to a running Docke...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see

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

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

fatal: Unable to create &#...

Why Cloudflare DNS Changes Aren't Propagating

You updated a DNS record in Cloudflare but the change isn't showing up. Visitors still see th...