exprt mujhy aap ki help ki zrurat ha aaj subha se mujhe ye msla pesh aa rha ha koe bhi website jb kholta hun to firefox hang ho or tore dair bad theek chlne lg jata ha jb koe new tab kholta hun ya khen bhi click krta hun to hang ho jata ha new virsion bhi download kia ha bt phir yahe msla pesh aa rha ha or internet explorer main bhi yahi msla ha. mane apne system main window 7 ki hue ha plz exprt help me.