Today we had discovered a case where on some windows machines our exe’s started being reported as virus by anti virus tool. While the exact reason is not known, the below stack overflow post gives a very good overview of the problem.
In this article there are links to two web pages which are very interesting
https://www.virustotal.com - you can upload your file here and it will be analyzed by about 50 different antivirus programs (file size < 128MB)
http://www.filedropper.com/ - here you can upload your file and get the link which you can share or embed in your webpage