The preboot service constantly giving this error and failing to image. There are time the service work fine and other times it fail with no explanation. It fail both while imaging multiple and or single PC.

Faulting application name: novell-pbserv.exe, version:, time stamp: 0x4e135467
Faulting module name: zenimgweb.dll, version:, time stamp: 0x4e135458
Exception code: 0xc0000005
Fault offset: 0x00013e9a
Faulting process id: 0x1a90
Faulting application start time: 0x01cc97c99976a742
Faulting application path: C:\Program Files (x86)\Novell\ZENworks\bin\preboot\novell-pbserv.exe
Faulting module path: C:\Program Files (x86)\Novell\ZENworks\bin\preboot\zenimgweb.dll
Report Id: ae0ca75c-03c0-11e1-adaf-00215a4c1f1a