With MPlayer 0.90 pre 6. When you read a mov file (if you want to get the mov file I have tested, mail me (1.6Meg)), if you move a window ON the MPlayer's Video window, or if you move the MPlayer's Video window, you get: "MPlayer interupted by signal 11 in module: decode-video I have gcc 2.95.x with Linux Mandrake 8.2