Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Update 502 Bad Gateway Related to Proxy Settings

If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...

WinSCP Connection Refused vs Permission Denied: How to Fix

When you try to connect to a remote server with WinSCP and get an error, the specific message can...

How to Fix a Blocked Windows Activation Product Key

You enter a Windows product key and see an error that the key is blocked or already in use. This ...

How to Reset Command Prompt Settings to Default

If your Command Prompt window has strange colors, a weird font, or odd layout settings, you may w...

Troubleshoot PowerShell Module Not Loading

When a PowerShell module won't load, you'll usually see an error like Import-Module : The s...

Setting Up Certificate Trust Store in Windows Terminal
You might run into SSL/TLS errors when using Windows Terminal to connect to remote servers, espec...