Salam to all ..

Please help me anyone .. Mera computer bahot slow chal raha hai ..,..
mere computer ka ram 128mb hai aur maine usme sirf 4 program install kiya hai .. microsoft office 2003, adobe photoshop cs, IE7 , window media 11, please help me... aap koi tip bataiye.. mai memory nahi badha sakta kyunki yaha par ram bahot hi mahenga hai .. so please help me.. main kya karu..
waiting for your reply.. thanks ..
ALLAH HAFIZ