SAP crashes ole32.dll and crqe.dll

Dear all,

SAP crashes about every hour with error:

Faulting application name: SAP Business One.exe, version: 8.81.317.0, time stamp: 0x4e94d0ca

Faulting module name: crqe.dll, version: 12.1.3.1028, time stamp: 0x49919769

Exception code: 0xc0000005

Fault offset: 0x00027d49

Faulting process id: 0x%9

Faulting application start time: 0x%10

Faulting application path: %11

Faulting module path: %12

Report Id: %13

or

Faulting application name: SAP Business One.exe, version: 8.81.317.0, time stamp: 0x4e94d0ca

Faulting module name: ole32.dll, version: 6.1.7601.17514, time stamp: 0x4ce7b96f

Exception code: 0xc0000005

Fault offset: 0x0003bc24

Faulting process id: 0x36ac

Faulting application start time: 0x01ce6beb79878388

Faulting application path: C:\Program Files (x86)\SAP\SAP Business One\SAP Business One.exe

Faulting module path: C:\Windows\syswow64\ole32.dll

Report Id: 69643d3a-d7f6-11e2-a0c8-00155d017601

What could be the root cause of this problem, how to fix this?

Regards

GN