Pop-Up Blocker Setting  
 

HOW TO DISABLE COMMON POP-UP BLOCKERS
  Please DISABLE all POP-UP-BLOCKERS to ensure transaction goes through successfully.
  If you have a pop-up blocker enabled, you are advised to perform the following steps to avoid difficulties during payment process:
  IE Browser
  1. Go to Tools >> Pop-up Blocker >> Pop-up Blocker Setting
  2. Add the internet banking sites to the Allowed sites as per following :