help!!!! i recently reinstalled my windows xp. fresh. now my sound wont work. its an older pc with no reinstall cd. so i opened it up and found that i have an onboard sound card. a crystal cs4235. i downloaded the proper files. it ask me to restart. i do. the computer then procedes to find 3 diff new devices 1 - CTRL 2- WSS/SB and 3-DISABLED i try to update these drivers from the file that i downloaded and i keep getting the infamous "class installer has denied the request to install or upgrade this device" what gives!!!! and what the heck is a class installer?