When the user tries to install the Project Transit utility, an error is raised:
"Customized functionality in this application will not work because the certificate used to sign the deployment manifest for ProjectTransit or its location is not trusted."
ClickOnce Trust Prompt is not enabled in user's desktop
To enable the ClickOnce trust prompt by using the registry editor
Open the registry editor:
Click Start, and then click Run.
In the Open box, type regedit (or regedit32 on 32-bit Windows), and then click OK.
Find the following registry key:
If the key does not exist, create it.
Add the following subkeys as String Value, if they do not already exist, with the associated values shown in the following table.
String Value subkey Value Internet Enabled UntrustedSites Disabled MyComputer Enabled LocalIntranet Enabled TrustedSites Enabled
For Office solutions, Internet has the default value AuthenticodeRequired and UntrustedSites has the value Disabled. For all others, Internet has the default value Enabled.