You could do a clean install by choosing Custom install during setup.
After the first installation, repeat the process again. Then you have a
clean 64-bit Vi$ta.
google "vista upgrade dvd clean install"
--
@~@ Might, Courage, Vision, SINCERITY.
/ v \ Simplicity is Beauty! May the Force and Farce be with you!
/( _ )\ (Ubuntu 9.04) Linux 2.6.29.2
^ ^ 18:27:02 up 1 day 8:33 0 users load average: 1.00 1.01 1.00
???! ???! ???! ???! ???! ???! ????? (CSSA):
http://www.swd.gov.hk/tc/index/site_...sub_addressesa