can you give more info.it will help anyone whos helping you.
failed windows updates is not a lot to go on.
go here
http://update.microsoft.com/microsoftupdat...t.aspx?ln=en-usthen if you look to the right,you will see a box with clickable options.
one being review update history.
there you will find a list off failed or succeeded updates.
narrowing down witch ones are failing will help.
you might have the a copy of the update logs in your local temp files read them yourself if you wish.(dont post them unless asked) it may help you figure out why yourself otherwise at least say witch updates are failing & witch OS your useing.