Bought new PC that had trial version of Office 2007. Did not want to pay once trial period expirred and installed Office 2003 from old PC. What is the best way to operate system using 2003? Should I de-install Office 2007? I have downloaded from Microsoft ;package which converts 2007 to 2003 but still operates funky (asking for permissions and other weirdities). I just want a clean operation. Thanks for any help.