suspicious message?

I get this message, suspicious message,avast warning.

Use the search option on this board. Keyword = IFRAME

This has been explaind before.

Holland, the iFrame warning is configurated into the Heuristic pages of Internet Mail Provider (or MS Outlook plugin) settings.
If you left click the ‘a’ blue icon you’ll get them 8)

For more information about iFrames read these websites:
http://www.microsoft.com/technet/security/Bulletin/MS04-040.mspx
http://secunia.com/advisories/12959/
http://www.clariondeveloper.com/firewallreporting/IEIframeSettings.htm

Welcome 8)

Check this thread, one of many relating to iFrame.
http://forum.avast.com/index.php?topic=11637.msg98436#msg98436