when installing solidworks, solidworks installation fails and gives error 1903

Hello,

I have downloaded solidworks 2010 beta2 and trying to install it on my pc. but after 40% installation complete solidworks installation stops and gives an error 1903.

Please tell me what i have done wrong.

my colleauge have installed from same setup but he dont have any issue.

Attach is the error.

Regards

Devi Prasad Samal

SolidworksSolidworks 2011 Beta