Checklists for software errors, setup, and tool workflows.

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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...

Fix Windows Defender Real-Time Protection Greyed Out

If you open Windows Security and find the real-time protection toggle greyed out, you can't click...

How to Fix Windows Defender Not Starting Automatically

If Windows Defender (Microsoft Defender Antivirus) isn't starting automatically when you boot you...

Firefox Not Responding: Clean Reinstall Guide

If Firefox freezes, crashes, or shows a "not responding" message repeatedly, a clean reinstall ca...

Fix Chrome Profile Access Denied Error (Administrator)

You're trying to open Chrome and see an error like 'Your profile could not be opened corr...

Fix Windows Search Proxy Sync Issues: Step-by-Step Guide
You search for a file in Windows, and nothing shows up—or results are stale. This often traces ba...