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How to disable the "this file does not have a valid signature" prompt

Posted on 2010-01-04
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Last Modified: 2012-05-08
Hi, we are running a program (.exe) as a shortcut from a network location and each time you run it, it pops up with the window:

 "this file does not have a valid signature that verifies its publisher. You should only run software from publishers you trust" . You then have to manually click on "Run" button.

How can I permanently disable this message so when you double-click the shortcut it will simply run the program straight away?

I tried farhankazi's solution: http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/2003_Server/Q_22789209.html but I do not have the "Attachment Manager" option in Group Policy (there's only one for Windows Media Player).

The PCs are on Windows XP Pro SP3, the OS of the server I'm launching the app is Windows Server 2003.
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Question by:septembah
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Expert Comment

by:Henrik Johansson
ID: 26170862
Security bulletin MS05-026 causes other zone than local machine to be untrusted as default.
See KB below about changing registry to let it be local intranet. To roll it out in the domain through GPO, either create a custom Administrative Template or use Group Policy Preferences

http://support.microsoft.com/kb/896358
http://www.microsoft.com/technet/security/Bulletin/ms05-026.mspx
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Henrik Johansson earned 500 total points
ID: 26170901
I misread question (MS05-026 is for letting CHM-files be on network share)
Add the network location into the local intranet zone should let the files to be executed without security warning prompt.
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Author Closing Comment

by:septembah
ID: 31672354
I added the whole network path as a site in "local intranet" in Internet Options, logged off/back on and it works like a charm now - thanks!
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