We have found that on some machines, the Fix-It 9 softwarecloses when you try to run the PC Diagnostics.. This will cause the program to simply close with no error message.

If you are experiencing this problem, you should be able to correct it by downloading and installing the following component from Microsoft:

http://www.microsoft.com/downloads/details.aspx?FamilyId=32BC1BEE-A3F9-4C13-9C99-220B62A191EE&displaylang=en 

Once this update has been installed, you will want to restart your computer. After your computer has restarted, you should now be able to run the PC Diagnostics.