Lync 2013 error

Hi I installed Lync as part of Microsoft Office (HUP).   on Win 7 OS 

When i start Lync 2013 i get the following error.  Need help

Problem signature:
  Problem Event Name:APPCRASH
  Application Name:lync.exe
  Application Version:15.0.4517.1004
  Application Timestamp:51b13f00
  Fault Module Name:vdpsrc.dll
  Fault Module Version:1.2.0.71
  Fault Module Timestamp:4dd43534
  Exception Code:c0000005
  Exception Offset:00005ef5
  OS Version:6.1.7601.2.1.0.768.3
  Locale ID:1033

Additional information about the problem:
  LCID:1033