Bluetooth mouse cuts out when transferring files over the network

Just as the title says: whenever I copy files to a PC over the network (via SMB I think its called) My bluetooth mighty mouse will start getting very jerky and makes is very difficult to move the cursor on the screen. However, my Bluetooth keyboard is comply fine. Both are using Lithium batteries and where just replaced about a month ago. Also, both are in close range...about 2 feet. And it only happens when coping files.
Any ideas?
-Scott

I don't connect to network volumes that often, but I did again today and noticed that my bluetooth keyboard completely cut out (had the "discounted" HUD come up) and then the keyboard would not reconnect until the file copy was complete. I don't know about the mouse as lately I've been using my Microsoft mouse that hasn't been giving me any troubles. (like really, Microsoft and "no troubles" in the same sentence??? lol)

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Bluetooth mouse cuts out when transferring files over the network

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