NET. Framework Error.

Well every time i try to start a hack from MPGH i get this error:

[IMG]http://i870.photobucke*****m/albums/ab264/kinqmaqe/Error.jpg[/IMG]

My system:
Windowx XP Pro
32 bit
NET. Framework 4.0 installed.

Does anyone know what i have to do?

I'm Looking now , ill try to get back to you if i find out how
Press thanks please

I will, if u know the answer