How do I delete stuff off my computer?

lyk ever time i shut it off and turn it on i have to reset my homepage and all my history/ websites are gone too.

How do I tell my computer to delete everything before I close out?

I've messed about on my computer and it's a bit weird, I know some how I can take it back to how it was before...undo everyth...

Why do you stack a computer?

I would like to view the history on my computer from two days ago, but my husband has deleted it, can it be retrieved?

How to find out deleted history on your computer? ...and what type of history?

Am needing to know if there is anything I can download to stop kids from downloading stuff onto the comp without my knowing b...

I have tried deleting them by highlighting but it hasn't worked. I know there must be a simple solution to the problem but it...

How can I get into my computer to locate the deleted history?

Someone plugged their iPod into my computer and then plugged it back into their computer and now they have my whole iTunes li...