If you click Help in MSN Messenger Main Window then click on Help Improve Windows Live then put a tick in I don't want to participate right now then click OK it will stop writing the .sqm files to your hard drive and they are safe to delete also.
SQM Files? - by Pyroteq on 03-16-2006 at 11:56 AM RE: SQM Files? - by lordy on 03-16-2006 at 11:58 AM RE: SQM Files? - by Pyroteq on 03-16-2006 at 12:03 PM RE: SQM Files? - by biscuitpt on 11-14-2006 at 05:44 PM RE: SQM Files? - by Stigmata on 11-14-2006 at 11:35 PM RE: SQM Files? - by CookieRevised on 01-12-2007 at 10:18 PM RE: SQM Files? - by bigbadbinny on 08-20-2009 at 04:30 AM