Originally Posted by Thatzmister2u
It is most likely an issue with the PC (O.S. XP) wants to assign the lowest available drive letter to the Mass Storage Device. If you have network drives mapped it may not work. Un-map the drives and see if it will recognize it.
I'm having a similar problem. I have my micro-SD card in and mass storage mode enabled but it my BB still says "The media card is not available b/c Mass Storage Mode is currently in use" and I cannot open it and add anything to it in the BB Desktop Media Manager -- ???
Please advise -- thanks