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SignalScreen

SignalScreen

Oct 2, 2026 Security & Privacy
certificate management file reputation installer protection windows security

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SignalScreen

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If you ship a Windows app you've probably seen "Windows protected your PC" on your own installer. Signing alone doesn't prevent it: SmartScreen goes by reputation for the exact file and certificate, and that resets on every release and every certificate renewal. There's no way to ask Microsoft in advance. So I built SignalScreen: https://signalscreen.dev Free signing check: upload an .exe and get a grade (signed? timestamped? SHA-1? real CA? certificate expiry). Checked in...

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