http://developers.de/blogs/damir_dobric/archive/2008/03/20/bug-or-feature-crashing-of-application-by-stressing-of-appdomain-s.aspxI implemented very simple application which creates AppDomain-s in an endless loop and instantiates some simple type. Unfortunately after some time application crashes with following exception: &quot;A fatal error has occurred and debugging needs to beenCommunityServer 2008 SP1 (Build: 30619.63)http://developers.de/blogs/damir_dobric/archive/2008/03/20/bug-or-feature-crashing-of-application-by-stressing-of-appdomain-s.aspx#1840Thu, 20 Mar 2008 15:47:47 GMT7e491611-45ad-4dae-a68f-c4cb64439510:1840Damir Dobric<p>You are right Christian. It crashes when started in debugger only.</p><div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=1840" width="1" height="1">http://developers.de/blogs/damir_dobric/archive/2008/03/20/bug-or-feature-crashing-of-application-by-stressing-of-appdomain-s.aspx#1839Thu, 20 Mar 2008 15:30:40 GMT7e491611-45ad-4dae-a68f-c4cb64439510:1839Christian Weyer<p>Doesn't happen for me - works well.</p> <p>I guess you tested it also outside of the debugger, right?</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=1839" width="1" height="1">