Start Menu and Taskbar disappeared!!!!!

Hi i am using Vista Home premium. My Taskbar and start menu is not apearing even a strat button on my keyboard not making any difference. any help please.

This can be due to many reasons because of virus also first tell me have you try by pressing CTRL + ALT + DELETE?

Yes i have press Ctrl+Alt+Delete its opens the task manager. then?

Yes now try to find the process as explorer.exe. If you found it then end this process and Click on New then task and type Explorer.exe or browse it using Browse button.

Yes you solved the problem now my taskbar and start menu is apearing but whenever i go to Control Panle the same problem apears again am not able to finding why this is happening?

Ok now the problem is with your control panel try by reparing Vista Home premium.

Thanks for your help friend now i am enjoying my Vista.:notworthy