I've got a problem with DSUT ... It crashes everytime I run It

- I've tried using compatibility mode , and failed

 

sayas : Tester has stoppped working

Description:

Stopped working

 

Problem signature:

Problem Event Name: CLR20r3

Problem Signature 01: dsut.exe

Problem Signature 02: 1.0.0.0

Problem Signature 03: 50242e02

Problem Signature 04: mscorlib

Problem Signature 05: 2.0.0.0

Problem Signature 06: 4ca2b851

Problem Signature 07: 123a

Problem Signature 08: 5f

Problem Signature 09: System.IO.FileNotFoundException

OS Version: 6.1.7601.2.1.0.274.10

Locale ID: 1033

Go to Server Manager > Features > Add Features > (expand .NET Framework 3.5.1 Features) > (check .NET Framework 3.5.1) > (click Install).

Thank you THiLaN

It worked perfectly.