Checklists for software errors, setup, and tool workflows.

How to Fix Firefox Secure Connection Failed with VPN

You're using a VPN and Firefox suddenly shows 'Secure Connection Failed' on sites tha...

npm package.json Not Found After npm init

You run npm init, answer the prompts, and then try to install a package or run a scr...

Fix Nginx Configuration Test Failure After SSL Setup

You've just added SSL certificates to your Nginx server block, but nginx -t retu...

Fix Windows Update Error 0x80070005 by Repairing Registry Permissions

If you see error 0x80070005 when running Windows Update, the problem is often a permissions issue...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Fix VS Code Terminal Not Opening PowerShell

If you click the terminal panel in VS Code and nothing happens, or it opens a blank shell instead...