Internet Explorer block windows from ProjectCoordinator

To avoid blocked windows, (windows that open when you click on toolbar buttons
in the toolbar), do the following settings in Internet Explorer.

1. Launch Internet Explorer.
2. Log in to the portal.
3. Click "Tools" in the menu bar and choose "Internet Options".
4. Click the "Security" tab in the window that appears.
5. Click "Trusted Sites" in the panel titled: "Select a Web content zone to specify its security settings."
6. Click the "Sites" button to open the "Trusted sites" window.
7. In case the current ProjectCoordinator portal/room is running securely (https), ensure that “Require server verification (https:) for all sites in this zone” is checked. In case the current ProjectCoordinator portal/room is not running securely (http), ensure that “Require server verification (https:) for all sites in this zone” is unchecked
8. Type the website desired to allow (ex.http://ProjectCoordinator.net) into the "Add this website to the zone:" field and click "Add".
9. Click "Close" to accept the changes.
10. Click "OK" in the Internet Options window to complete the process.

NOTE: Add only web pages you know and can trust in "Trusted Sites".

Read more here: http://office.microsoft.com/en-us/word-help/office-2010-security-protecting-your-files-RZ101665538.aspx?CTT=1