:angry:reacently power dvd 4 has been playing up so i phoned local pc doctor he suggested to do a defrag so a couple of weeks ago i tried to defrag my machine,only to find an error box syating defrag not complete due to C:\CLDMA.LOG. i phoned local pc doctor, who said it was ok to delete/ remove said log ,,,,,i did and now nothing no dvd's in power dvd or wmp {apparently something to do with CLVSD.AX any help welcome