leaking information via browsers


comodo internet  security  software helping me a  lot.but,some times,unknown people  willing to  track  my  internet  usage,it has  been  happening via browser  cache.i'm  looking for  help .they  looking to   update  my system settings,

if i use any secure tunnel ,its limited to browser traffic(no security for system files and personal files) ,they are damaging sound drivers,i 'm not knowing the solution’s to save my sound drivers every time,no sounds at my system since a couple of weeks.

there few times only when formatting completed .is there any settings at comodo to watch “unknown people accessing the system working files”

any fake IPs,but,i can know if any new net work entered in my system with comodo message.

your help really save my longtime issue.

Thank you