Symptoms
Consider the following scenario:
In these conditions, the smartcard prompt appears behind the modal dialog box and no user interaction is possible at this point.
- You are using Windows Internet Explorer 9.
- You have a webpage that launches a modal dialog box.
- From this modal dialog box, a smartcard PIN prompt is shown for the user to type in their password.
In these conditions, the smartcard prompt appears behind the modal dialog box and no user interaction is possible at this point.
Cause
Microsoft has confirmed this is a problem in Internet Explorer 9 and is currently investigating the issue further.
Workaround
To work around this issue, disable Hang Resistance in Internet Explorer by creating the following registry key:
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\
Type: REG_DWORD
Name: HangRecovery
Value: 0