Adobe Live Cycle ES4 error in turnkey install

Hi experts,

I have this error during the install of Adobe LIVECYCLE ES4 and I don’t know what to do. I meet all the system requirements, the installer is for Windows 7, downloaded from Adobe website and still. Any solution for this error ? How can I solve this, help me please.

Thank you !

Turnkey Install Error

Ports In Use

Turnkey Install Verification Error:

The following port(s) are required for the Turnkey JBoss instance, but are still in use: 8080

Another instance may be running or another application may be using some of the required parts.

OK