SNS-HDR Pro v1.4.4.5 will not open

I downloaded and installed over Pro v1.4.4.1, the current Pro v1.4.4.5 program version. Clicking on the desk top application link, I get the following system message:
and the program does NOT open...
I re-installed Pro v1.4.4.1 over Pro v1.4.4.5 and the program will open as usual...
Is there a system setting I need to change to get Pro v1.4.4.5 to open?
...den...
Vista 32 bit, Home Premium, latest version/updates
AMD Athlon 64 x2 6000+ processor; 3 GB DDR2 dual channel RAM/1985KB ReadyBoost;
500GB hard drive with 100GB free space
Edit1: Just had a thought... The program set up file download may have been corrupted. I will perform another download/installation of Pro v1.4.4.5 and advise.
and the program does NOT open...
I re-installed Pro v1.4.4.1 over Pro v1.4.4.5 and the program will open as usual...
Is there a system setting I need to change to get Pro v1.4.4.5 to open?
...den...
Vista 32 bit, Home Premium, latest version/updates
AMD Athlon 64 x2 6000+ processor; 3 GB DDR2 dual channel RAM/1985KB ReadyBoost;
500GB hard drive with 100GB free space
Edit1: Just had a thought... The program set up file download may have been corrupted. I will perform another download/installation of Pro v1.4.4.5 and advise.