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Smartscreen says "This program may damage your computer"

Smartscreen is an additional Microsoft component that appeared with IE9. It establishes the reputation of a file or editor and informs the user accordingly.

It is recommended to sign your components in order to be better recognized by Smartscreen, but the signature itself does not (automatically) give reputation!

To speed up the Smartscreen recognition, you need to upload your signed files here:
Submit a file (Microsoft link)

Here is also a link to the Microsoft Defender SmartScreen FAQ:
Link to Microsoft Defender SmartScreen FAQ

Learn more about Smartscreen (Microsoft documentation)