Assume that the file upload field in a webpage is hidden, and the webpage was designed in Internet Explorer 5 quirks mode. You try to click an element on the webpage to show the file upload field. In this situation, the issue occurs. Additionally, after you click the element, the file upload field is displayed unexpectedly when you move mouse down.
Note You expect that the hidden file upload field is displayed when you click the element without moving mouse.
To resolve this issue, install the most recent cumulative security update for Internet Explorer. To do this, go to Microsoft Update.
For technical information about the most recent cumulative security update for Internet Explorer, go to the following Microsoft website:
http://www.microsoft.com/technet/security/current.aspxNote This update was first included in security update 2975687.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2975687 MS14-037: Cumulative security update for Internet Explorer: July 8, 2014
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about quirks mode, go to the following Microsoft website: