Problem solved. The APS software 1.02 is buggy in many ways. It sometimes failed to detect the monitor on Vista 64. It produces erroneous ICC profiles which is my case. The color temperature it calibrates is not correct either, the reading is a bit below actual WB, so produces an overall bluish...
I just got the HP advanced profiling solution for this monitor, but it turns out the icc v4 profile it creates will not work correctly on Vista's WCS. When I assigned the resulting profile as my windows default profile , I found that images (sRGB tagged) viewed on vista photo gallery will look...