I have obtained a certificate by a trusted authority (have been given a .pfx file).
I signed all my .jar files with jarsigner like this:
jarsigner -storetype pkcs12 -keystore my_pfx_file.pfx -storepass my_store_pwd -signedjar Smy_jar.jar my_jar.jar
Then I exported the certificate from the keystore to create a .cer file.
What else do I have to do so that I don't get the message from "Unknown Publisher" and instead has the Company name?