Autodesk Reference Manager broken

[cadman777]

Can someone tell me how to troubleshoot "Autodesk Reference Manager"?
It won't load and gives this error:

Problem signature:
  Problem Event Name: APPCRASH
  Application Name: AdRefMan.exe
  Application Version: 18.0.309.0
  Application Timestamp: 4bcbd47d
  Fault Module Name: AdRefMan.exe
  Fault Module Version: 18.0.309.0
  Fault Module Timestamp: 4bcbd47d
  Exception Code: c0000005
  Exception Offset: 000000000003d521
  OS Version: 6.1.7601.2.1.0.256.48
  Locale ID: 1033
  Additional Information 1: 9416
  Additional Information 2: 9416e8b8865dfbe86f7b5b96c4331260
  Additional Information 3: ca2e
  Additional Information 4: ca2eceddbc9b8313e8c1cc23b52adf53

Thanx ...