how can i fix my computer as it keeps shutting down each time i download an?

cant get on internet?

Downloaded a printing program and when it was loading something ?

computers?

how to remove shortcut viruse?

how to remove virus?

ask.com?

i can get my sreen to come on ?

good add pop up remover?

how to returned a pc virus kit name is fix it utilities professional?

How can I stop the mailer Daemon virus?

Toshiba satelite c655?

how can i unlock my computer?