I converted an IPWI2.03 project to Dev7(basic msi), when I installed the same package on a w2k target machine, I got the 'Maintenance Welcom' dialog, but
when I click 'Ok' button, it prompted setup " Internal error 2855, Maintenance type. RadioGroup". The error table says "The radiobutton group  on dialog  has fewer than 2 buttons".
The maintenance dialog was modified to have only 'Repair' and 'Remove' buttons in IPWI2.03, and it worked fine in above cases, what's wrong with