You are on bluestacks 2 right? Make sure you disabled the camera in the registry, and if bluestacks 2 doesn't work maybe give Memu a try. I think Memu has a prerooted option though.
You installed fakegps as a system app right? Everytime you want to launch it, go through luckypatcher, click search and change filter to System apps only. fakegps should come up.
To start, An explanation of whats happening to you would be helpful
check your programdata, the folder is sometimes hidden. To make it unhidden in C://, click start and search folder options. There is an option to make all folders visible.