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I don't mean creating a shortcut that includes the -private option. I was wondering if there was a known reg edit that could be toggled to always have IE start in InPrivate mode no matter how a user starts it?

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You could rename iexplore.exe iexplore2.exe, and create a .exe that just calls iexplore2.exe with the -private option. It might break things though – soandos Apr 24 '12 at 4:48
up vote 2 down vote accepted

Hive: HKCU

Key: Software\Microsoft\Internet Explorer\Safety\PrivacIE

DWORD Name: StartMode

DWORD Value: 1

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Awesome, that's good to know. I'm wondering what your search term was and how many pages in it took to find that. Thanks. – LF4 Apr 27 '12 at 2:21
Didn't work for me for iE9. I had to create the 'Safety\PrivacIE' keys as they didn't already exist, but had no effect. I also tried the key 'FilteringMode' as mentioned here. – pelms Sep 18 '13 at 15:01

You can go to Tools -> Internet Options, and check the Delete browsing history on exit option. This is very nearly the same as having InPrivate turned on all the time. I believe the main difference is that toolbars and extensions aren't disabled, but if you don't want those, then just don't install them.

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Ahh thank you, that makes sense I thought InPrivate did more then just that. – LF4 Apr 24 '12 at 19:40
InPrivate also clears cookies while 'Delete browsing history' does not – pelms Sep 18 '13 at 15:07
It does if you uncheck Preserve Favorite website data in the Delete Browsing History dialog. – jjlin Sep 18 '13 at 17:32

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