Checklists for software errors, setup, and tool workflows.

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 Firefox Secure Connection Failed Due to Proxy Settings

If you see "Secure Connection Failed" in Firefox and suspect a proxy is involved, you'...

Windows 11 Update Stuck at 0%? How to Fix with DISM

If your Windows 11 update is stuck at 0%, the system file corruption is a common cause. The Deplo...

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

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

fatal: Unable to create &#...

Pip Externally Managed Environment vs Virtual Environment: Fixes

You try to install a Python package with pip, and get an error like error: externally-manag...