It should come up as unsigned in the UAC prompt, if you have that disabled
you won't see anything. You can usually still install it.

-----Original Message-----
From: Ivo Beltchev [mailto:i...@ibeltchev.com] 
Sent: 07 July 2013 23:34
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] Authenticode signatures

Hi

 

I have a digital certificate and I signed my MSI with it. When I view the
properties of the file in Explorer it shows the certificate correctly. So far
so good.

 

Then I modified the MSI file in a binary editor (changed one byte). Now when
I run the signtool I get an error that the verification failed. So far so
good.

 

But when I view the file properties I still see the certificate. I was able
to run the MSI and install it. I was expecting Explorer to detect the file as
corrupted and for the MSI to fail to install.

 

What am I missing? Is there an extra step during the WiX pipeline that I need
to do, or were my expectations wrong that a file modification will be caught
by Windows?

 

Thanks

Ivo

 

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