App installation blocked: "This app can't run on your PC. To find a version for your PC, check with the software publisher."

Question

App installation blocked: "This app can't run on your PC. To find a version for your PC, check with the software publisher."

Olivia Gonzalez 20

Help! I am trying to install a legitimate piece of open-source software on my Windows 11 desktop. Both my OS and the app installer are 64-bit, but the moment I double-click the .exe file, a blue Windows pop-up blocks it saying "This app can't run on your PC." I am logged in as an administrator, and SmartScreen isn't giving me an option to "Run anyway." How do I bypass this?

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Answer 1

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Answer 2

Hi Olivia Gonzalez,

This error typically occurs when the Windows Defender SmartScreen filter blocks the executable because it lacks a valid digital signature or is flagged as an unrecognized app, even if you have administrator privileges. To resolve this, please right click on the specific .exe file =>select Properties=> navigate to the General tab. Look for the Security section at the very bottom=> check the box labeled Unblock=> then click Apply and OK to allow Windows to run the installer.

If the Unblock option is missing or the app is still blocked, you can temporarily disable the smart filter by opening Windows Security =>navigating to App & browser control =>clicking on Reputation based protection settings . From there, toggle the Check apps and files setting to Off and proceed with your open source software installation. Once the installation is successful, please remember to turn this feature back on to maintain your desktop security.

Tracy Le.