Cannot open email found with Windows 7 Search

At some point this was working, but now it is not. I am using Windows 7 x64 and Office 2010 (32-bit.) Windows 7 Search will find email in my .pst and .ost files, however, I cannot open them from the Search Results window. I've checked the registry key indicated in this post:

In registry editor, navigate to [HKEY_LOCAL_MACHINE\Software\Classes\mapi]
On the right panel, right click >> New >> String Value >> Enter "ShellFolder"
Then once the key is created, right click on "ShellFolder" >> Modify> > Enter "{89D83576-6BD1-4c86-9454-BEB04E94C819}" without quotes.

Is the value different for Office 2010? If so, what is it? I've never had Office 2007 on this machine. It's a new build with Office 2010 freshly installed.
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laurin1Connect With a Mentor Author Commented:
I figured it out. My home machine did not have this problem. Today, I tried to install a piece of software that syncs with Outlook. It said Outlook is not installed on my work computer, but worked fine on my home computer. I ran the Repair from the Setup application for Office and whala! It works fine now.
Do you have Outlook installed along with the Office installation? If yes, then start outlook and then try to open the PST files and / or the mail items. If you have copied the emails from some other system or they are password protected, ensure that you have them beforehand before trying this.
If you don't have outlook installed, then you need to use 3rd party tools to see the contents. One such software can be found at :

Alternately if you have Outlook and it's still not able to open the .PST files, try SCANPST to see if they are corrupted and have it fixed.
laurin1Author Commented:
I have Outlook and I can open these items just fine from Outlook. I just can't open them from the Windows Search Results.
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As a side note, did you try to go to explorer and then right click on the Open With and Choose Outlook to see if this will fix the issue?
laurin1Author Commented:
Neither the ability to explore nor Open With are available with email messages from this window. Screen shot attached.
laurin1--"Is the value different for Office 2010?"  It is the same.

If you were able to open these email files directly from the Search Results window until just recently, perhaps try a System Restore.

P.S.  How did you open from the Search Results window before?
laurin1Author Commented:
Double-click would open the email before. Well, I could in the past, but I've done a clean install of Windows 7 recently, and it hasn't worked since then.
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