When you open Control Panel and then click User Accounts many times in quick succession, you may receive the following error message:
Internet Explorer Script Error An error has occurred in the script in this page. Line: 4 Char: 1 Error: Access is denied Code: 0 URL: res://C:\Windows\system32\nusrmgr.cpl/nusrmgr.hta Do you wish to continue running scripts on this page?
When you click either Yes or No in response to this message, the User Accounts dialog box opens.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.