A general unexpected critical error

Hi guys i have a problem, when I start’s zcash it begin verifying proving key and then I get a error window with this:

A general unexpected critical error has occurred:
Cannot run program “C:\Program”: CreateProcess error=2, can not find the specified file
See the console output for more detailed error information!

help me with this.
thanks for help.

About My Setup
Motherboard (MB):
BIOS Version:
Power Supply (PSU):
RAM:
Operating System (OS):
Riser Version:
Number of GPUs:
GPU List Model/Brand/Version:
Mining software and version #
Overclocked (Yes or No):
Overclock Settings:
Additional Information (Please include bat or config settings):

are you talking about zcash4win? If not, what are you talking about? wallet? mining?