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Can Windows be prevented from checking for a digital signature on device drivers?

Posted on 2007-04-02
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Last Modified: 2013-11-14
I am an Installer Engineer (using Installshield 12 Premium; project is InstallScript MSI) and have come across and interesting hurdle ...

One of the devices that we are using for our application installs a driver that has no digital signature.  When Windows is installing the device, I get the "Digital Signature Not Found" dialog box asking me whether or not I'm sure I want to continue the installation.  I know this is moot to anyone that is technical, but unfortunately, our client base is anything but technical, so what I'd like to do is disable Windows from checking for these digital signatures from the Installer .....

What I'm not sure about is how Windows knows whether to check for digital signatures or not (registry setting, group policy, some option hidden deep within Windows, etc.) or even if there's any way to stop Windows from checking at all ...

Any help is greatly appreciated !!    :)


- TRAVIS -
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Question by:trs28
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Expert Comment

by:blue_zee
ID: 18837047
To disable Windows XP driver signing warnings, follow the steps below:

1. Double click on the System icon in Control Panel.
 
2. Left click on the Hardware tab.

3. Left click on the Driver Signing button.
http://www.quatech.com/support/xp_warn_no.gif

4. Choose the Ignore option. Click on O.K. and then Apply and O.K.

5. Windows will not warn anymore about driver signing.

Zee
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blue_zee earned 500 total points
ID: 18837080
This may be interesting reading too:

http://www.msfn.org/board/lofiversion/index.php/t11230.html

Zee
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Author Comment

by:trs28
ID: 18837430
You didn't give me quite what I needed, but your link did point me in the right direction .... well, enough so that I could figure it out, so that's why it's a "B" grade .... but the points are yours!   Thanks!
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Expert Comment

by:blue_zee
ID: 18837521
Glad you could use the info above.

And thank you.

Zee
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Author Comment

by:trs28
ID: 18837753
The unfortunate thing is that now ... Windows is bitching on the test machine that I need to pop in my CD drive again (meaning I fixed this yesterday) since I have to modify the INF file for a device we use, and it was something that I had fixed just this past Friday too!   Arghhh!    

Thanks!  Take care!
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