I cannot reproduce problem, I recompiled files, if you can update WRobot and check if Windows is updated and try to install https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/slimdx/SlimDX Runtime .NET 4.0 x86 (January 2012).msi (try also to disable your antivirus when you install WRobot)