Checklists for software errors, setup, and tool workflows.

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Fix npm ENOENT Package.json Not Found & Permission Denied

You run npm install and get a wall of red: ENOENT: no such file or directory, ...

Fix pip Externally Managed Environment on Debian 12
If you're on Debian 12 and get error: externally-managed-environment when using ...

Fix ERR_CERT_AUTHORITY_INVALID on Localhost
When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...

Fix net::ERR_CERT_AUTHORITY_INVALID in Chrome on Android
When browsing on Chrome for Android, you might encounter the error net::ERR_CERT_AUTHORITY_...

Fix 'package.json Not Found' After Cloning a Repository
Symptom
You clone a repository from GitHub (or another remote), change into the directory...

Windows 11 Update Stuck at 0%: Manual Download Fix
You click 'Check for updates' in Windows 11, and it hangs at 0% for minutes or hours. Res...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix npm ENOENT Package.json Not Found & Permission Denied

Fix pip Externally Managed Environment on Debian 12

Fix ERR_CERT_AUTHORITY_INVALID on Localhost

Fix net::ERR_CERT_AUTHORITY_INVALID in Chrome on Android

Fix 'package.json Not Found' After Cloning a Repository

Symptom

Windows 11 Update Stuck at 0%: Manual Download Fix

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