Checklists for software errors, setup, and tool workflows.

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Fix Windows 11 WiFi No Internet Due to Proxy Settings

If your Windows 11 laptop shows full WiFi bars but browsers say “No internet,” a common culprit i...

Fix VSCode Save File Permission Denied Error

You try to save a file in Visual Studio Code and see 'Permission denied'. The file might ...

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

How to Fix Chrome Using 100% Memory on Windows and Mac

You open Chrome, and your computer slows to a crawl. Task Manager shows Chrome using 100% memory....

Fix Git 'index.lock file exists' Error

When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....

Fixing Python Dependency Conflicts in Conda Environments
You've created a Conda environment, installed a few packages, and now Python throws an import...