Thanks to Senior Technical Editor Richard Echeandia for sending in this item from <A HREF="http://www.zdnet.com/pcweek/stories/news/0,4153,2388959,00.html">PC Week</A>. Apparently, folks who have Windows NT 4.0 Service Pack 6 told PC Week Labs that SP6 caused a range of problems, including loss of access to Lotus Notes and system seize-ups.