Checklist for Fixing Command Prompt Startup Issues
If Command Prompt won't open, closes immediately, or shows an error on startup, the cause is ofte...
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When you type a URL or search term into the Windows Search bar and see an SSL certificate error, ...
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If you see error 0x80070002 when trying to install Windows updates that are stuck on "pending ins...
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You see "Authentication failed" when trying to activate Windows. This usually happens after a har...
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If you see a "502 Bad Gateway" error when using Windows Search (e.g., in File Explorer or the Sta...