After I enter my serial number and information for Movie Studio, it shows the spash screen, but it doesn't open the program. What is going wrong?

Heres my system specs:

Windows XP SP 1
Pentium 4 2.4 overclocked to 2.7
1 Gb PC2100 RAM
80 Gb 7200 RPM Western Digital Hard-Drive
40 Gb 5600 RPM Western Digital Hard-Drive
Nvidia Geforce 4 Ti4600 128 Mb
SB Live 5.1 Sound Card