Checklists for software errors, setup, and tool workflows.

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Fix Git 'index.lock' File Exists Error in IntelliJ

If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

Fix pip Externally Managed Environment Error on Linux
If you're seeing error: externally-managed-environment when trying to pip ...

Chrome Extensions Not Loading? Reset Chrome to Fix
You open Chrome, click the extensions icon, and nothing happens. Or extensions are grayed out, mi...

Fix Node Sass Build Failure Due to Node Version Mismatch
You run npm install and see an error like Node Sass does not yet support your ...

Fix Windows Update Error 0x80070005 by Taking Ownership
What Causes Error 0x80070005?
This error usually means Windows Update doesn't have pe...

Fixing Cloudflare 521 Error: Origin Unreachable
When you see Cloudflare error 521, it means your origin server is refusing the connection from Cl...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git 'index.lock' File Exists Error in IntelliJ

Fix pip Externally Managed Environment Error on Linux

Chrome Extensions Not Loading? Reset Chrome to Fix

Fix Node Sass Build Failure Due to Node Version Mismatch

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

Fixing Cloudflare 521 Error: Origin Unreachable

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