I ditto that. Very strange.
But this happens only when downloading from danbi's webiste. It hasn't shown the warning message when downloading from SourceForge.
That's what Google has to say:
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To help protect you, Google maintains a list of websites that are known to host malicious downloads and a list of trusted software publishers.
Google warns you if you try to download something weird or something from a dangerous website.
So, I assume the system is a bit overreactive.
Guess, I haven't paid some ransom to whoever supplies this "useful information". Google again, perhaps...
The Internet had become the Wild Wild West for all kinds of prey hunters. Sad situation. Maybe time has come for some cleaning up the field
By the way, nothing hosted on that site has ever touched anything Windows, so it could not possibly come infected. I make a point to manually, out of band load any content there.