Windows Defender Authentication Failed: Step-by-Step Checklist
You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
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3. Apply
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View listEnable Windows Search Service: Configuration Guide
If Windows Search stops working, files don't appear in search results, or the search box shows no...
Fix Chrome 404 Error by Disabling Extensions
If you're seeing a 404 error in Chrome but the page loads fine in another browser, a misbehaving ...
Chrome Extension Permission Denied: Practical Checklist
You installed a Chrome extension, but when you try to use it, you see a 'permission denied' error...
Fix: Microsoft Store Startup Type Not Available in Services
You open the Services console (services.msc) to adjust the Microsoft Store startup type, but the ...
Fix Command Prompt Not Working After Windows Update
After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...
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