Unable to Open ESR and ID

Hi all,

I have got a problem with J2SE Development and Runtime so i Uninstalled both and reinstalled. When i'm trying to open ESR and ID it always ask for saving JNLP file , when trying to open JNLP file i got below error

Java Web start - Launch file error

Unable to launch ESR

An error occurred while launching/running the application.

Title: Enterprise Services Repository

Vendor: SAP AG

Category: Launch File Error

JAR resources in JNLP file are not signed by same certificate

I tried Administration -> Javau2122 Web Start Administration -> Re-initialization and Force signing.

But no luck. Can you please help me in solving this issue?

Thanks,

Kishore