If you change the language for non-Unicode programs to Japanese(Janpan) on Win7 system with IE 11, when using the following JS code to render a sub html page in an Iframe element in an html page, the man page freezes.
Debugging the code, the method, “close” was found to hang
OS: Windows 7 enterprise, Service Park 1
IE: Version 11.0.9600.17501, Update Version 11.0.15(KB3008923)
MSXML: Msxml2.DOMDocument.3.0 (8.110.7601.18576)