Unit boots only to Safe Mode

I have a Dell Dimension 3000 unit with Win XP Pro, & recently did an Automatic Update from Microsoft. When the unit re-boots, it will only go into safe mode. I tried Restore, but no access points were listed earlier than 15 min. earlier than my last boot! i cannot find the last updates to remove them & Safe Mode is so limited in it’s functions with installed utilities. Any suggestions?