How to Configure Chrome to Open JNLP Files. Java Network Launching Protocol, or JNLP files, are used for launching Java programs and Web applets over the Internet or company intranet. While some ...

Right-click on the WER file and open it with Notepad or Wordpad. At the end of that file, you will see the location of Java.exe. Then, right-click on the Java.exe file and select Properties.