Note: Can you please update the title of this topic to better reflect the issue, so it may help others that may have a similar problem in the future.

This type of error message is outside of our control. Browsers run their own security lists and if a file has a record of containing malware then the file may be blocked at the browser level. Additionally, any security software on the end-user’s computer may also interfere with a download.

I highly recommend you upload your file into https://www.virustotal.com/ as it will show you virus scan results from many different malware scanners. This may help you identify the issue.

Also, one thing to consider, if your computer is infected with a virus, it is possible that this virus is infecting exe files on your computer in order to spread itself. You may be uploading a virus without your knowledge.

Server-side malware scan doesn't show anything, and your game hasn't been restricted in any way. Check your antivirus first, please.