hi i am a bit of a newbie to all this, i could do with some help please, the problem i am having is, i am trying to register popup inspecter then install it, it works ok on my normal pc with a batch command but when i try it on virtual pc the registry address is different, here is the two addresses normal pc [HKEY_USERS\S-1-5-21-1078081533-813497703-1343024091-1003\Software\VB and VBA Program Settings\PopUpInspector\Keys] "Registration"="removed" virtual pc hkey_users\s-1-5-21-1614895754-1383384898-1708537768-500 can anyone please tell me why they are different, is this a feature of virtual pc or do the addresses change on every pc thanks for your help