THIS WORK AROUND WORKED FOR ME
For whatever reason, windows 7 security does NOT allow access to the root of the memory_card, however you can access the DCIM directory using the unc
your address will be different. You need to know what the IP or dns name is for the first part. HP uses memory_card as the share name, but nearly all cameras use the dcim director.
remove the AT and the ~ if you wanna contact me directly