Browser Settings 
You must have the following browser settings:
Internet options set up to disable pop-up blockers. If you have used an external tool to block pop-ups from appearing in your Web browser, you must disable the block for the application to work correctly. In Internet Explorer, choose .
Browser window is maximized
Internet options set up to specify how to check for newer versions of stored pages. For information, see Specifying How to Check for Newer Versions of Stored Pages.
The following setting may or may not be required depend on the functions you will be performing:
Advanced Browser Internet options set up to enable or prompt for the acceptance of ActiveX controls and scripts. This applies to users who will be exporting reports using the Export link or users who will be entering data in Entry and Approval via Excel.
For information, see Enabling ActiveX Controls.