I have patched my window xp and I can't even open my computer or IE, HELP!!! pls?

I have patched my windows xp to use some themes and now I can't even open IE or My Computer, or Control panel, what should I do ?

Try another patch ? or what ples help

I have patched my window xp and I can't even open my computer or IE, HELP!!! pls?windows 98

make right click on windows bar, and select "Proccess Manager" or press Control+Alt+Supr keys

Go to men煤 File -%26gt; New proccess and type command

explorer