Checklists for software errors, setup, and tool workflows.

How to Disable Shell Extensions to Stop Explorer Restarting

If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...

Windows Update Error 0x800f081f: Troubleshooting Steps

You're running Windows Update and it fails with error 0x800f081f. This usually means the upda...

Fix Python Memory Errors on Mac with Large Files

If you’re seeing a MemoryError in Python on your Mac while trying to load or process...

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Fix 'Permission Denied' When Running pip install --user

When you run pip install --user somepackage and get a Permission denied...

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

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

fatal: Unable to create &#...