*sigh* Computer need to be fix lo~

Yer.....Why recently my computer sot sot d ......sometime my comp will have like blue blue screen ...now fix ady ...but my mouse hor ...sot sot d .....now i have to use wabcom pula ......better than nothing la .....my painter sot sot also ....my illustrator also , my photoshop nothing happen ....huh ? i want to update my Antivirus ahh...no credit card to purchase online la ~ sien