false virus warning?

hi you all,
we are an italian software develpment firm,
recently our customers are telling us that our downloadable software is infected by dos trojan (some of them are using AVAST!).
the file is downloadable here:
http://www.mecambiella.it/setup28.exe

files are compressed by compress.exe microsoft utility and then wrapped into an inno setup package.
your anti virus in telling us that rasdial.oc_ (the compress.exe verion of rasdial.ocx) is a trojan (that’s not true, because rasdial.ocx is a microsoft vb5 component).

can we hope that your program in the future will not warn our customers?
thank you.
M.

It should be fixed soon.