MY SON LOCKED UP HIS NEW LEAP FROG ULTRA AND I NEED THE PASSWORD TO HELP HIM PLEASE

Probably stolen property, the person you bought it from would know the password, ask them for it or return it to the shop you purchased it from for a full refund.

sale of goods act: item must be fit for use, no password is not fit for use!

Genuine Leap Frog Green Leappad Ultra xdi Stylus And String Cord eBay

You could just reset to factory settings if your stuck on password!

LeapPad Ultra can be reset by syncing it to the LeapFrog Connect software

OR

Here is a YouTube video with instructions:

Factory Resetting the Leappad 2 - YouTube
http://www.youtube.com/watch?v=dnyle_-2aDY

How do I obtain a parent code for my child's leap pad ultra? My child started the ultra before I could set up anything.

my son clean his ultra leap pad with windex what should I do?

Was not able to find much on the Ultra. Have you gone to the Leap Frog site and tried to get updates or a firmware update?
http://www.leapfrog.com/en/pages/support/product_pages/LeapPadUltra.html

The quick setup code for Magnavox is 13 and the manual setup codes are 002, 004, 094, 121, and 123.

043 159

call 800-701-LEAPS