Lookup boxes not working properly within IE9 or IE10
|Knowledge Article Number||000206570|
|Description|| In IE9 and IE10 , when clicking on certain lookup icons within Salesforce causes the following popup asking user to if they want to open a new open in a new window.
Neither option allows the desired lookup popup window to correctly appear.
|Resolution||To fix, add *.force.com to the trusted sites in Internet Explorer
Internet Options / security tab / trusted sites.