The emulator doesn't work

[Sonic riders zero]

Hi

I downloaded jpcsp emulator from your site but it was only 49kb and it doesn't work why

[testmachine]

http://www.filesonic.com/file/4066404694/jpcsp-2394-windows-x86.7z
here is the official site link.
This emu is for the win32 (x86) cpu arhitecture.
Hope it works!!!