I INSTALLED SERVICE PACK 2 ON WINDOWS XP HOME EDITION. I TRIED TO DO SYSTEM RESTORE AFTER SEEING NO ACTIVE MIXER DEVICE AVAILABLE ERROR BUT HAD NO LUCK FIXINIG THE PROBLEM. WHEN I TRY OPEN VOLUME CONTROL I RECIEVE THE NO ACTIVE MIXER DEVICE AVAILABLE ERROR. PLUS WINDOWS MEDIA HAS AN ERROR TO. I LOOKED AT MY SOUND CARD DEVICES AND THEY SAY THEY'RE WORKING PROPERLY. ALSO, I TRIED TO RESTART WINDOWS AUDIO SERVICE EVEN THOUGH IT WAS ALREADY STARTED. THEN, I LOOKED AT THE PLUG AND PLAY SOFTWARE DEVICE ENUMERLATOR AND IT SAID IT WAS WORKING PROPERLY. PLEASE!!!!!!!!!!!!!!!!!!!!!!!! IF SOMEONE COULD HELP ME I'D APPRECIATE IT. THANKS IN ADVANCE.