Error while installing Qt SDK 1.1.2 on Windows ( Offline installer)

[reedwine]

yeah i experienced the same problem too
when i installed it on win 7 it show a warning message :
installed nokia usb driver? yes / no
if we press yes installation will continue without problem
but if we chose no it will result on error installing nokia usb driver

but when on xp this warning doesn't showed up
and automatically result on error installing nokia usb driver

i even try to install it via administration user on xp
but still result on error