AOMEI Backupper has stopped working

Seen this a couple of times now...when trying to create a system image backup AOMEI Backupper stops working.

Checking the Application Log in Windows Event Viewer I see this:

Error 2015-07-30 17:49:58 Application Error 1000 (100)

Faulting application name: Backupper.exe, version: 3.0.0.0, time stamp: 0x55a71335

Faulting module name: ntdll.dll, version: 6.1.7601.18869, time stamp: 0x55636317

Exception code: 0xc0000005

Fault offset: 0x0002e3fe

Faulting process id: 0xe8

Faulting application start time: 0x01d0cadf57fe501b

Faulting application path: C:\Program Files (x86)\AOMEI Backupper\Backupper.exe

Faulting module path: C:\Windows\SysWOW64\ntdll.dll

Report Id: a0bffd36-36d2-11e5-aac4-74d02b813457

I'm running Win6 x64 with the latest version of AOMEI Backupper Standard.