http://blogs.msdn.com/heaths/archive/2007/04/20/custom-action-guidelines.aspxRob Mensching, father of Windows Installer XML (WiX), blogs about why managed custom actions are a bad idea . Aaron Stebner follows up by saying (and has said before ): "Avoid custom actions entirely if at all possible. "Investigate the WiX build-in customen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/heaths/archive/2007/04/20/custom-action-guidelines.aspx#2216152Sat, 21 Apr 2007 06:52:41 GMT91d46819-8472-40ad-a661-2c78acb4018c:2216152とっちゃん's Blog<p>まつりか？</p>http://blogs.msdn.com/heaths/archive/2007/04/20/custom-action-guidelines.aspx#2247884Mon, 23 Apr 2007 19:47:36 GMT91d46819-8472-40ad-a661-2c78acb4018c:2247884Aaron Stebner's WebLog<p>Heath Stewart has posted an item on his blog that I wanted to link to here so that hopefully more setup</p> http://blogs.msdn.com/heaths/archive/2007/04/20/custom-action-guidelines.aspx#5646450Wed, 24 Oct 2007 13:10:48 GMT91d46819-8472-40ad-a661-2c78acb4018c:5646450Heath Stewart's Blog<p>Windows Installer custom actions that launch executables (base custom action type msidbCustomActionTypeExe</p>