Windows Security Invalid Configuration Checklist
You open Windows Security and see a message about an invalid configuration. This usually means a ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Grant Full Access to a PowerShell Script
When you try to run a PowerShell script and get an access denied error or a message about executi...
Fix Remote Desktop Rate Limit Error After Update
After a recent Windows update, you might see a rate limit error when trying to connect via Remote...
Fix 'Port Already in Use' Error When No Process Shows
You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...
Fix PowerShell Not Launching from Start Menu
When you click PowerShell in the Start Menu and nothing happens, or it flashes and closes, it's u...
Fix 'Port Already Allocated' Error on Windows 10 for Chrome
When launching Chrome or a web app that uses Chrome, you might see an error like "Port alread...
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