Edited Issue: [0.3.x] cpu() raises exception after loadDump [13351]

Work as expected:
>>>startProcess("notepad.exe")
>>>cpu()

Work with failure:
>>>loadDump("dump.dmp")
>>>cpu()
Traceback (most recent call last):
File "<input>", line 1, in <module>
DbgException: Call IDebugRegisters::GetValue failed
HRESULT 0x80070057