Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix npm command not found without sudo

You type npm install and get npm: command not found. This usually means...

Fix Windows Search 'Too Many Requests' Rate Limit Error

If you’ve seen “Too many requests” or “Rate limit exceeded” while using Windows Search, you’re no...

Slow Windows Activation After Upgrade: Practical Fixes

After upgrading Windows, you may notice that activation takes unusually long—sometimes several mi...

BitLocker Recovery Key on Ubuntu: How to Access Encrypted Drives

You're on Ubuntu, and a Windows BitLocker-encrypted drive is prompting for a recovery key. This i...

Fix Chrome 504 Gateway Timeout When Using a VPN

You're browsing with a VPN active, and Chrome suddenly shows a 504 Gateway Timeout

How to Transfer Windows 10 Digital License to a New PC
If you upgraded to Windows 10 for free or bought a retail license, you can move that license to a...