I own MDS, have not installed the trial but bought the update yesterday.  When I double click it opens and asks for permission and then it minimizes to the bottom. I thought maybe it was downloading something else so let it do that but hours later it is still there.  I have redownloaded the file thinking that was it but get the same thing every time.  I cannot install it.  I have Windows 7 and I did disable my virus scanner (Microsoft Security Essentials).  I do not know what else to do to get…See More