Windows 10: Windows Defender SmartScreen prevented an unrecognized app from starting despite being...

Discus and support Windows Defender SmartScreen prevented an unrecognized app from starting despite being... in Windows 10 Software and Apps to solve the problem; Hello, we have an app built with PowerBuilder. Recently, we signed it using a new certificate issued by 'Buypass Class 3 CA G2 ST Business.' The... Discussion in 'Windows 10 Software and Apps' started by Tomas_93, Mar 25, 2025 at 9:47 AM.

  1. TOMAS_93
    Tomas_93 Win User

    Windows Defender SmartScreen prevented an unrecognized app from starting despite being...


    Hello, we have an app built with PowerBuilder. Recently, we signed it using a new certificate issued by 'Buypass Class 3 CA G2 ST Business.' The certificate is valid, and we have installed it on our environments which use Windows 11. However, we are encountering an issue: when we attempt to open the app, we receive the following error message: 'Windows protected your PC / Microsoft Defender SmartScreen prevented an unrecognized app from starting. Running this app might put your PC at risk.' Previously, we used a different certificate, and the app worked fine. Could this issue be related to the

    :)
     
    Tomas_93, Mar 25, 2025 at 9:47 AM
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Windows Defender SmartScreen prevented an unrecognized app from starting despite being...

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