Forum posts for winhlp32.exe

window.open() returns null when called from a chm file under 64-bit Win7 and IE 10

Problem: window.open() returns null when called from a chm file under 64-bit Win7 and IE 10.
I know the problem isn't with the javascript code, operating system, or browser settings because window.open() works correctly (creates a valid popup window) when called directly from the html file.

The problem must be in the way hh.exe, winhlp32.exe, the chm file, and Win7/IE10 are interacting. This used to work with IE8 but now window.open() is broken. Apart from that, the chm file displays correctly, all the links work, etc.

Question: Does anyone know how to update hh.exe and/or winhlp32.exe so as to correct this problem?

Note: The chm file was built using HTML Help Workshop. It can be decompiled using 7-zip and the resulting html files agree with my originals and work correctly. So I suspect the problem is with hh.exe.

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