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The title says it all.

When running 32-bit Explorer on 64-bit Windows-7, right click a link and select "Open in New Tab", a new tab opens, tab caption is"Connecting...", but it never connects and the tab response to nothing other than a close.

64-bit Exporer works fine.

Anyone any ideas why this happens?

P.S. To forestall the inevitable questions, we need to use 32-bit Explorer to test our own sites that rely on 32-bit controls. This has nothing to do with this problem, it shows up with general browsing.

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up vote 2 down vote accepted

Folks, sorted with help from an answer to a (sort-of) related question on (which I no longer can find).

Registering ieproxy.dll fixed the problem, assuming similar setup to my own, run

regsvr32 "c:\Program Files (x86)\Internet Explorer\ieproxy.dll"
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