Checklists for software errors, setup, and tool workflows.

How to Activate Windows 10 Without a Product Key

You may see a "Windows isn't activated" watermark or notification. This typically happens after a...

Fixing Nginx Permission Denied for Upstream Unix Socket

If you see connect() to unix:/var/run/php-fpm.sock failed (13: Permission denied) in...

How to Reset Windows Terminal Configuration

Windows Terminal may stop opening, show a blank window, or have garbled settings after a crash or...

PowerShell Not Responding When Opening: Quick Fixes

You click PowerShell and nothing happens — or the window opens but immediately freezes. This is a...

How to Set Up Windows Terminal with Custom DNS

If you're using Windows Terminal and want to use custom DNS servers (like Cloudflare's 1.1.1.1 or...

Fix Go Modules Proxy 'No Such Host' Error

When using Go modules with a proxy, you may see an error like:

go: example.com/modu...