Failed to load Msxml2.dll

I am running SQL 2000 on Vista box. When I am trying to open XML in my SP
EXEC sp_xml_preparedocument @.idoc OUTPUT, @.xmlstring
I am getting this error. Any help?
ThanksHi Mark
What service pack of SQL Server 2000 are you running?
Also, do you have SQL Server 2005 installed on the same box or upgraded one
SQL Server 2000 instance to 2005?
Thanks
Michael
"Mark Goldin" <markgoldin_2000@.yahoo.com> wrote in message
news:491D1C23-3918-485B-98B7-CE05C2FF249B@.microsoft.com...
>I am running SQL 2000 on Vista box. When I am trying to open XML in my SP
>EXEC sp_xml_preparedocument @.idoc OUTPUT, @.xmlstring
> I am getting this error. Any help?
> Thanks