How to avoid unknown publisher

Posted on 2009-06-26
Medium Priority
Last Modified: 2013-11-26

I have this scenario that everytime that I run the installer that I created using clickonce, I receive a warning "Unknown Publisher".

What may be the cause of this problem? How can I fixed this?

Please, help.


Question by:JackOfPH
LVL 48

Accepted Solution

Jorge Paulino earned 1200 total points
ID: 24726834
Hi Joseph
Read this two MSDN articles:
Configuring ClickOnce Trusted Publishers
 ClickOnce Deployment and Authenticode
LVL 16

Assisted Solution

ToddBeaulieu earned 400 total points
ID: 24727235
Regardless of where you get your certificate (from visual studio, 3rd party or certutil.exe) you have to trust that certificate on your machine. Import it into your "trusted publishers" store using certmgr.msc. If you intend to push the app out to internal users, you can push that trusted cert out centrally. I don't know the details of that process.
LVL 31

Assisted Solution

Paranormastic earned 400 total points
ID: 24738849
Here is the article for deploying the root certificate or self-signed certificate that Todd mentioned:
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LVL 15

Author Comment

ID: 24741979
Long vacation...


Let me try all your suggestions then I will post back if I have follow up questions...

LVL 15

Author Comment

ID: 24782965
I receive an error:

Error      2      Error creating assembly manifest: Error reading key file 'MySolutionCRM.pfx' -- The system cannot find the file specified.       CRM.CodeBase1

Any help?
LVL 15

Author Closing Comment

ID: 31597087
Thanks... for all the help...
LVL 31

Expert Comment

ID: 24786296
Did you export the certificate including the private key (from certificates MMC) to a .pfx file?  If not you need to do that.  Otherwise, maybe check permissions from the account trying to access the file and make sure they have read permissions to it, etc.

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