Crash of ocs inventory for one type PC

Hello

We have this probléme only on a new model of PC - Lenovo M700 tiny.

We have the OCS agent 2.1.1.3. (os W7 64bit)

The ocs agent dont send inventory to the server.

OCSInventory.exe crash when we want execute manualy.

on C:\ProgramData\OCS Inventory NG\Agent\sysinfo.log

 the ocs write this ligne and stop.

WMI GetSystemSlots: Trying to find Win32_SystemSlot WMI objects...

We have tried to upgrade bios, upgrade drivers.. same issue.

an idea ?