You are off topic for the forum you posted to, which is dedicated to Microsoft Security Esentials Beta
The Safety Center Community can be found here:
http://boards.live.com/safetyboards/board.aspx?BoardID=225
Yes, I'd disable the Trend Micro protection if you running the online OneCare Safety scanner to avoid conflicts.
-steve
Microsoft MVP Windows Live / Windows Live OneCare, Live Mesh, & MS Security Essentials Forums Moderator