So your telling me you have no fix for a error 5 that autodesk has made for conection issues to activate the software. And you have no support technions to address how to disable IV6 so that just the IV4 conects to base servers? Sounds like you need to find away to have a patch that can fix the reg of a computer in a remote seting. where can i get the old software that worked correctly with out a error. you can tell me you have not fixed this for someone before. Myt issue is this it installes correctly just the actvation fails because of your internet valdation can make a conection. even though its been installed from internet you need a hotfix to patch this!!