Problem Description : Manual update on Auto Update supported platforms pops up URI not found message dialog box

Tested_Java_Release : Deployment PIT Build for 555 update release
Tested_Build : J2RE.exe / J2SDK.exe
Tested_Build_Location : /java/j2se-sqe/deployment3/mantis/JD-PIT-555
Tested_Machine_Name : Windows XP(jd-sqe-lab2) / Windows 2000 (lemonade)/win98


Steps to Reproduce :

1.) Install the 555 build on any Auto Update supported platforms
     (i.e) Windows 2000 SP3 or Windows XP
2.) Now open the the Java Control panel and hit update
3.) It pops up message saying "URI not found" & when clicked "OK"
    "Java Platform upto date" is shown.
4.) Whereas on other platforms (e.g: win 98) it does not throw this
    error message and displays "Java Platform upto date"