CSM error

Hi, i have recently changed my pc, install everything and all works fine, exept that every time i open csm a windows with that appears:

Host: GP4LIB 0.8.108
Caller: CSM GUI 0.2.505
Procedure: frmMain::mnuFileRefresh=>Click
Date: 17/06/2016
Time: 18:20:12
This key is already associated with an element of this collection
Line: 0
Source: CSMGUI126

Os Info:
Unknown OS Version 6.1


6.1 b 7601

Italiano (Italia) (Italian)

-------------Place some info here of how and when it happened-------------

, i close this and then a pop up says "Unable to retrive list"

after i close these 2 all works well, but it's pretty annoing...
any solution? thanks