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Windows Mail Cannot Open Software Restriction Policy Prevents it from Opening?

#1 User is offline   I_am_CanadianEh? 

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Posted 04 February 2009 - 11:17 PM

Hello,
I am having problems opening Windows Mail. Whenever I try to run the program, the following error immediately pops up:

"Windows Mail can't be opened. A software restriction policy is preventing Windows Mail from opening. Contact your system administrator for more information"

As far as I know it only occurs with this program.

All user accounts are affected, not just mine.

Since I have Vista Home Premium, I don't have the Group Policy Editor, so I'm stuck as to what to do next.

Any thoughts? :huh:

#2 User is offline   DJBPace07 

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Posted 05 February 2009 - 04:53 PM

Can you launch the program as administrator? There could be an issue with the program itself, can you use other mail clients like Windows Live Mail or Thunderbird?
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#3 User is offline   I_am_CanadianEh? 

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Posted 06 February 2009 - 09:16 AM

It's only a Windows Mail issue. I've tried running as Administrator on every account. I even tried the built-in administrator account. No dice.

However, I started to look around in the registry and saw this:

HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Mail
In this key it had the following DWORD value:

ManualLaunchAllowed and had a value of 0.

Thinking 0 means "False" and 1 means "True" I changed the value to 1...and....PRESTO! Windows Mail now works!

The funny thing, is that I was able to lauch Windows Mail before but then switched to Outlook. I needed to open Windows Mail to export my contacts and that's when I discovered the problem. I never changed anything!! What happened? :huh:

Anyways it's fixed now. :huh:

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