Typically happens to IE browsers, please refer to the following steps for solution:

1. Select "Tools" > "Internet options", to open the Internet Options window.
   
    
2. Select "Security" > "Trusted sites" > "Custom level", and another pop-up window will appear.
   
    
3. Select "Active scripting" > "Enable".and click "OK" button.
   
    
4. In Internet Options pop-up window, select "Security" > "Sites", a pop-up list window will appear.
    
5. Add the IP address of Teampel server as a trusted site.
   
    
6. Refresh web page for the changes to apply.Use "Compatibility View" if it still displays incorrectly.