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CLICK ONCE ERROR: “An error occurred while signing: Failed to sign binDebugapp.publish\setup.exe. SignTool Error”

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ISSUE:

Unable to publish a ClickOnce Application

============================================

Error 1 Cannot publish because a project failed to build.

Error 2 An error occurred while signing: Failed to sign bin\Debug\app.publish\\setup.exe. SignTool Error: The signer's certificate is not valid for signing.

SignTool Error: An error occurred while attempting to sign: bin\Debug\app

RESOLUTION:

The test certificate used to sign the manifest files has expired.

Hence we created a new test certificate and published the application using that certificate successfully.

Please refer the below links for more information on creating a test certificate.

https://msdn.microsoft.com/en-us/library/ff369721.aspx

https://msdn.microsoft.com/en-us/library/ms996418.aspx

Content By : Pooja Kalita

Comments

  • Anonymous
    August 27, 2012
    Thanks a lot for the solution. My problem didn't involve certificates so the solution in the below article worked for me.but it looks a lousy fix. Can you please tell if this is a wrong method? Thanks for your time in advance! www.ilearnttoday.com/clickoncecannotpublishprojectfailedbuild

  • Anonymous
    October 24, 2015
    I resolved this by downloading Sdksetup file , this is for windows8, if you use win7 check for you operating system. msdn.microsoft.com/.../aa904949