Checklists for software errors, setup, and tool workflows.

How to Fix Chrome Extensions Not Loading

You open Chrome, click the puzzle icon, and your extensions are grayed out or missing. This is co...

Fix Windows 11 Installation Assistant Stuck at 99%

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

Fix 'Permission Denied' When Installing Python Packages Without sudo

If you see "Permission denied" when running pip install, you're not alon...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

How to Fix the Git index.lock File Exists Error

You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...