Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Defender Real-Time Protection Access Denied

You try to turn on Windows Defender real-time protection but get an 'access denied' message. This...

Fix Windows Terminal 404 Not Found Error in VS Code

If you see a '404 not found' error when trying to open Windows Terminal from Visual Studio Code, ...

Windows Defender Real-Time Protection Rate Limit Error Fix

You may see a notification that Windows Defender real-time protection has a rate limit error, oft...

Fix Windows Search Not Showing Results Due to Authentication Error

You type in the Windows Search bar, but nothing appears—or you see a brief error message about au...

Fix pip SSL Certificate Error in Python on Windows, macOS, Linux

You run pip install somepackage and get an SSL certificate error: certificate ...

Fix Windows Security DNS Errors After a Windows Update
After a recent Windows update, you may see a DNS error inside Windows Security (formerly Windows ...