Erro programa com Java Web Star?

Tenho um programa que utiliza java web star, sendo assim este programa esta assinado por um certificado da Comodo. Há alguns dias o console do java passou a mostrar o erro abaixo. Alguém saberia informar o que pode estar ocorrendo?

java.security.cert.CertificateParsingException: no more data allowed for version 1 certificate
at sun.security.x509.X509CertInfo.parse(Unknown Source)
at sun.security.x509.X509CertInfo.(Unknown Source)
at sun.security.x509.X509CertImpl.parse(Unknown Source)
at sun.security.x509.X509CertImpl.(Unknown Source)
at sun.security.provider.X509Factory.parseX509orPKCS7Cert(Unknown Source)
at sun.security.provider.X509Factory.engineGenerateCertificates(Unknown Source)
at java.security.cert.CertificateFactory.generateCertificates(Unknown Source)
at com.sun.deploy.security.WIExplorerCertStore.generateCertificate(Unknown Source)
at com.sun.deploy.security.WIExplorerCertStore.loadCertificates(Native Method)
at com.sun.deploy.security.WIExplorerCertStore.load(Unknown Source)
at com.sun.deploy.security.WIExplorerSigningRootCertStore.load(Unknown Source)
at com.sun.deploy.security.WIExplorerCertStore.load(Unknown Source)
at com.sun.deploy.security.WIExplorerSigningRootCertStore.load(Unknown Source)
at com.sun.deploy.security.LazyRootStore.loadBrowserStore(Unknown Source)
at com.sun.deploy.security.LazyRootStore.getTrustAnchors(Unknown Source)
at com.sun.deploy.security.TrustDecider.getValidationState(Unknown Source)
at com.sun.deploy.security.TrustDecider.validateChain(Unknown Source)
at com.sun.deploy.security.TrustDecider.isAllPermissionGrantedInt(Unknown Source)
at com.sun.deploy.security.TrustDecider.isAllPermissionGranted(Unknown Source)
at com.sun.javaws.security.AppPolicy.grantUnrestrictedAccess(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedResourcesHelper(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedResources(Unknown Source)
at com.sun.javaws.Launcher.prepareResources(Unknown Source)
at com.sun.javaws.Launcher.prepareAllResources(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.launch(Unknown Source)
at com.sun.javaws.Main.launchApp(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main.access$000(Unknown Source)
at com.sun.javaws.Main$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)