VPN Connects, No Folder Share.

I thought I posted this already but can not find the posting on this site anymore. So please forgive if this is, in fact, a double posting.

I use VPN through XP PRO (PC1). It used to work. I can connect into a computer and access the drives I mapped. Now, for some reason, I can access the computer, but no longer can access the drives by any means I know of. Can not access it through //pcname.

VPN on another PC can access those drives.

Is there some way to repair the VPN on PC1 to access the drives again?

Thank you.