http://blogs.msdn.com/dynamicscrmonline/archive/2009/06/26/protected-mode-settings-in-ie.aspxThe IE Protected Mode Settings can sometimes cause you to get pop-up blocker messages when opening CRM forms.  Understanding IE Protected Mode . Sometimes your IT security policy might to turn this on. If you see pop-blocker messages, try this toen-USCommunityServer 2.1 SP1 (Build: 61025.2)