are there any antivirus that run on vista 64bit?

[samsung.204b]

 

[darktiger]

http://forum.avast.com/index.php?topic=23424.0

might work. Or try NOD32 64bit...

 

[Strykar]

A vista compatible version of NOD32 is expected in the next few weeks, but the current 64 bit version will not run on RC1.

 

[Arcenite]

Here is a free AV by eTrust specifically for Vista..

https://www.my-etrust.com/SubscriptCenter/MSTrialRegistration.aspx?cid=1855&lang=en-US

 

[dBTelos]

Might want to check this out:

https://www.trendbeta.com/index.php?get=80

 

[Langford]

Easy to try, and cost nothing:
http://sourceforge.net/projects/clamwin/