I down loaded and installed SW 2005 SP 0.0 and left all the files on my harddrive (this was not a disk installation) , next I tried to install the SP 0.1 and it gives me the message." the installer cannot install the upgrade patch because the program being upgraded may be missing or the upgrade patech updates a different version of the program.Verify that the program to be upgraded exists on your computer and that you have the correct upgrade patch. (1642-0)" then I tried to apply the SP0.0 to SP 1.0 and the same error comes up, and yes I have tried the SP0.1 to SP 1.0 as well and have the same result.... GRRRRRRR! Am I going to be forced to uninstall and reinstall via the disks? How do I apply the patches? I want to take it to SP1.0 I just hated the disk shuffle for each update on the last version (2004) and was hoping I could do it all locally and not play insert disk one... insert disk 3... insert disk 1.... insert disk.....bla bla bla Any suggestions?