brute-forcing not working with me

[seco]

Hi
i have nvidea M that supports CUDA and i try cudahashcat-lite for an md5 hash and it works fine with me
i try cudahashcat-plus for md5 it shows this command

Code:

cudaHashcat-plus32.exe --attack-mode 3 --gpu-accel 8--gpu-loops 256 --gpu-watchdog 90 --segment-size 32 D:\New Folder\hashcat-gui-0.5.1\New Text Document.txt

and when i click start it just shows the cmd and return the cursor without any thing !!!
ant help?
thanks in advance.