http://blogs.msdn.com/krimakey/archive/2008/04/10/click-once-forced-updates-in-vsto-some-things-we-don-t-recommend-using-that-you-might-consider-anyway.aspxBefore I go any further in this post I'm going to put a huge disclaimer: You should be warned what I'm about to cover has not been fully tested, is clearly not supported or recommended and may have significant impact on your application's ability to work.en-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/krimakey/archive/2008/04/10/click-once-forced-updates-in-vsto-some-things-we-don-t-recommend-using-that-you-might-consider-anyway.aspx#8408725Fri, 18 Apr 2008 21:38:18 GMT91d46819-8472-40ad-a661-2c78acb4018c:8408725.NET4Office<P>Kristopher Makey, an engineer on my team, blogs about how to add an "Update Now" button to get a VSTO</P>http://blogs.msdn.com/krimakey/archive/2008/04/10/click-once-forced-updates-in-vsto-some-things-we-don-t-recommend-using-that-you-might-consider-anyway.aspx#8409172Sat, 19 Apr 2008 00:51:44 GMT91d46819-8472-40ad-a661-2c78acb4018c:8409172krimakey<p>If you happen to get to this post via direct link, I recommend also reading:</p> <p><a rel="nofollow" target="_new" href="http://blogs.msdn.com/krimakey/archive/2008/04/18/click-once-forced-updates-in-vsto-ii-a-fuller-solution.aspx">http://blogs.msdn.com/krimakey/archive/2008/04/18/click-once-forced-updates-in-vsto-ii-a-fuller-solution.aspx</a></p>