A long-standing issue that has been troubling me.

[b8vr]

C:\Users\admin\OneDrive - Chandigarh University\Desktop\hashcat-6.2.6>hashcat.exe -m 0 -a 0 F:\test.txt
hashcat (v6.2.6) starting

when i am trying to execute this it just stuck at starting line and agin the above line appears.

According to 
https://docs.nvidia.com/gameworks/conten...tatus.html

NVAPI_NVIDIA_DEVICE_NOT_FOUND
No NVIDIA display driver, or NVIDIA GPU driving a display, was found.

Have you tried removing the drivers and reinstalling them?