About System.Diagnostics

I am having a very wierd problem .
iam using System.Diagnostics.Process and System.IO .i develop using VS.NET Studio and it works fine .but when i try to deploy it on a machine which is just having .net framework .it throws error.

Any Help will be appreciated


Regds
Amit

what is the error code is throwing ,
mention all details.

I am doing the same but not getting the error.