If you are being forced to repeatedly log-in to your Assemble account when using the pop-out Viewer with an IE 10 browser, please perform the steps below to resolve the issue.
1. Open the internet settings by selecting the gear icon in the top-right corner of your browser window.
2. In the Internet Options window, click on the Programs tab.
3. From the Programs tab, click the Manage add-ons button.
4. In the Manage Add-ons window, click on the line item called ChromeFrame BHO, and then click the Enable button at the bottom of the window.