Knowledge base for software setup, errors, and daily tool work.

Fix DNS Probe Finished NXDOMAIN on Google DNS Setup

If you see "DNS probe finished NXDOMAIN" in your browser, it means your device couldn'...

Fix Nginx Upstream Connection Refused & Upstream Not Found

When you see upstream connection refused or upstream not found in your ...

Fix 'Windows Cannot Access Shared Folder' After Update

After a recent Windows update, you might see the error “Windows cannot access \\computername\shar...

Windows 11 Installation Assistant Stuck at 99%: How to Reset and Finish

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Fixing Node Sass Build Failures on Linux

Fix Git index.lock File Exists Permission Denied Error

You're in the middle of a Git operation and suddenly you see: