Checklists for software errors, setup, and tool workflows.

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Fix Git index.lock File Exists Permission Denied Error

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

fatal: Unable to ...

Fix Git SSL Certificate Problem with Proxy: Unable to Get Local Issuer
When you see fatal: unable to access 'https://...': SSL certificate problem: unable...

How to Fix Git Refusing to Merge Unrelated Histories
When you try to merge two Git branches that have no common commit history, Git stops you with the...

Fix Windows Explorer Restarting After Login
If Windows Explorer keeps restarting after you log in, you’ll see the desktop flash, icons disapp...

Fix pip Externally Managed Environment Errors
If you're on a modern Linux distribution and see error: externally-managed-environment<...

Fix ERR_NAME_NOT_RESOLVED with ipconfig /flushdns in Chrome
When Chrome shows ERR_NAME_NOT_RESOLVED, it means the browser couldn't trans...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git index.lock File Exists Permission Denied Error

Fix Git SSL Certificate Problem with Proxy: Unable to Get Local Issuer

How to Fix Git Refusing to Merge Unrelated Histories

Fix Windows Explorer Restarting After Login

Fix pip Externally Managed Environment Errors

Fix ERR_NAME_NOT_RESOLVED with ipconfig /flushdns in Chrome

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