crash process vpxd.exe vcenter

Hi ,

We have various crahs vpxd.exe process along a day , some day more and others no .

We are  in version 5.5 vcenter , and dont know why , someone did suffer this issue ? some clue ?

Faulting application name: vpxd.exe, version: 5.5.0.39885, time stamp: 0x52a9843f

Faulting module name: KERNELBASE.dll, version: 6.1.7601.17514, time stamp: 0x4ce7c78c

Exception code: 0xe06d7363

Fault offset: 0x000000000000a49d

Faulting process id: 0xffc

Faulting application start time: 0x01cf43fcf5cf7798

Faulting application path: C:\Program Files\VMware\Infrastructure\VirtualCenter Server\vpxd.exe

Faulting module path: C:\Windows\system32\KERNELBASE.dll

Report Id: 4e134537-b013-11e3-bef3-000c29a35d66

Thank you for help.

Jose.