Hrmmm.

setup.iss

@@ -113,6 +113,7 @@ Type: files; Name: "{app}\WizModernSmallImage-IS.bmp"
 Type: files; Name: "{app}\ISCrypt.dll"
 
 [ISSigKeys]
+; The second key in this section should be replaced by your own
 Name: mykey1; KeyID: def0147c3bbc17ab99bf7b7a9c2de1390283f38972152418d7c2a4a7d7131a38; PublicX: e3e943066aff8f28d2219fd71c9ffff4c8d1aa26bc4225434be67180ab5e242d; PublicY: e419041c3f54551e86a1c47f387005cd535dfc9d64339b30d37f9a4f7866b650
 Name: mykey2; KeyID: def020edee3c4835fd54d85eff8b66d4d899b22a777353ca4a114b652e5e7a28; PublicX: 515dc7d6c16d4a46272ceb3d158c5630a96466ab4d948e72c2029d737c823097; PublicY: f3c21f6b5156c52a35f6f28016ee3e31a3ded60c325b81fb7b1f88c221081a61