Tried? I've reinstalled a few times; I've changed the target address of the shortcut a few times; short of going into the registry, which I don't really know how to do, I don't know what else to...

Please!!! Can anyone tell me how to get zd to open? I get the error message then it just won't open. Have reinstalled it several times. I'm trying to use 7.2.1 on a Vista os. I've researched...