cant install activesync

[DirtyD24]

ok guys, so i did a total restor on my pc and i have vista. now its time to install stuff again and one of the first is my startup disc or my sprint touch diamond. now i hwve had everything working smoothly before the restore. so now when i install everyhing wmdc says its installed but activesynce does not it states the vista does not allow active sync, and i use my phone as my modem so i dobt know what to do