that is strange, it is normal for the original zipped file to give a false positive but it shouldn't randomly say it's a virus, especially not after 2 days of use
I don't know how avast works but does it tell you what type of virus it thinks it is and does it give you the option to ignore it?
IDP.Generic is a common false positive, it's suspicious of it but has no evidence for why beyond it not behaving how it likes, so that's good
googling it you should be able to right click the offending program in avast and hit "restore and add to exclusions" so just do that if it's giving you trouble, weird that it happened. I suppose it is a a pre-alpha with only one person coding lol