WindowsUpdate_00003715 error, not able to install IE 9.

I am update my IE 8 to IE 9 .then same day later IE 9 stopped to working on my OS. When I open my IE 9 after 10 to 20 seconds its close instantly and that do again and again. What is the problem I can found  out. Now at the present I am working on IE 8 and can’t install IE 9.