my bot which made works perfect in my windows 7 but it's not working in Windows 2008 R2
i am getting below error
Description:
  Stopped working
Problem signature:
  Problem Event Name: CLR20r3
  Problem Signature 01: proxy.exe
  Problem Signature 02: 1.0.0.0
  Problem Signature 03: 546ebe9d
  Problem Signature 04: mscorlib
  Problem Signature 05: 2.0.0.0
  Problem Signature 06: 53a12268
  Problem Signature 07: 12ad
  Problem Signature 08: 14
  Problem Signature 09: System.IO.FileNotFoundException
  OS Version: 6.1.7601.2.1.0.272.7
  Locale ID: 1033