trouble with D2 LOD I fully installed D2 in multiplayer type installation. then updataded the installation to D2 LOD: ask to insert the expension CD then the play CD then the expension CD again and after that the installation was complete. BUT .... because there is a but... when I launch the game (the expension) it tells me that i have to insert the expension CD, while it is still in the CD-ROM drive. I dont understand why , I hope someone can help me. windows XP SP2 as an OS.