I need to run IE 10 in 32-bit mode on 64-bit Windows 7 Enterprise N.
When I run IE 10 from "C:\Program Files (x86)\Internet Explorer" I can see in task manager that I have only one process "iexplorer.exe" and no process "iexplorer.exe *32".
I have an application with an ActiveX that is supported only on 32-bit, and the application can't be loaded on 64-bit mode.
Is there a way I can force IE10 to run in 32-bit mode?
Answer
This occurs because the TabProcGrowth registry entry is set to 0, meaning tabs are set to run in the same process as the manager process (64-bit), rather than opening a new process for each tab (32-bit). You can fix this by changing the registry entry here:
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\TabProcGrowth or HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Main\TabProcGrowth
Set it to something greater than 0, restart IE, and you should see normal behavior resume (and your add-ons should work again). More info in this Microsoft KB article.
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