I am frustrated with OS Selector included with DDS 9.0.537. I spent 12 hours with it yesterday (5-5-05) trying to install a 2nd copy of XP to another HDD. I followed the instructions on pages 97 to 103 of the manual. OSS installs fine, the primary partiton is created on HDD 2, the primary partition on HDD1 can NOT be set as primary only - the active check box is dimmed and checked, the primary on HDD 2 is set active and dimmed as well. Neither can be made inactive! Today I moved the primary partition (40 Gb) from HDD 1 (160 Gb) to HDD 2 (200 Gb) and made the 200 Gb HDD master so that I can attempt installation of a 2nd install of XP on that drive (200 Gb) the 160 Gb drive has been made slave. I do have 2 more 200 Gb HDDs on a Promise controller card. Am I better off installing OSS 8.0.917 as a custom install to its own partition then installing OSS from DDS as an upgrade to update those files? Or is it better to install OSS from DDS as a typical install (to the C root)? I was never able to get OSS 8.0.917 (purchased March 2003) to work either and finally gave uo on it. Any ideas, suggestions, advice will be greatfully appreciated.