anyone who is using this GarminMobilePC and he got this msg:
Exception Processing Message c00000a3 Parameters 75b6bf7c 4 75b6bf7c 75b6bf7c
to get rid of that msg i have found something what can help some people,tested and also working by me:

"i did “Go to Control Panel -> System -> Hardware -> Device Manager -> Disable Floppy Disk"
that's all