I have just moved a DNN 06.01.04 site to a new Win 2008 IIS7 server and am now getting the following error when ever trying so save content:

Uncaught Sys.WebForms.PageRequestManagerParserErrorException: Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled.
Details: Error parsing near '


I have tried the solution in this post with no luck:
http://www.dnnsoftware.com/community-blog/cid/153280/SysWebFormsPageRequestManagerParserErrorException

According tho this forum I should set EnablePartialRendering="false" but how do I do that to core DNN code?
http://forums.asp.net/t/1066976.aspx/7/10

Thanks in advance
Michael waxman