No, Avast is OK now. see here :
http://forum.avast.com/index.php?topic=23424
jm
"Andre Da Costa" <andred25@hotmail.com> wrote in message
news:60B20982-E70C-4501-83B9-2F08A216A4F3@microsoft.com...
> Trend Micro is probably the only compatible one at the moment, more sure
> be released or updated though. Its important for a number of reasons, this
> is Windows which is considered a high target because of its large user
> base, most users will continue to run as Administrator and disable UAC
> which will help to make system more prone to attack. Virus/Trojan/Malware
> writers are continually searching the OS for vulnerabilities. Even recent
> beta builds were subject to attacks.
>
> So its best you stay ahead by having a install AV and most important of
> all, keep it updated.
> --
> http://adacosta.live.spaces.com
> "Marc Nutty" <marcnutty@hotmail.com> wrote in message
> news:%23wBGtFE1GHA.4772@TK2MSFTNGP03.phx.gbl...
>> Hi,
>>
>> Are ant-virus programs in Vista absolutly necessary?
>>
>> I know Trend Pc cillin do a good Vista trial beta program, however it was
>> constantly updating lol, are there any others worth a look?
>>
>> thanks...
>>
>