Why do I need administrator privileges to install Java Web Start on Windows?
Java Web Start needs to register the MIME type of its launch file with the system registry. MIME types are mappings used to find the correct application to handle particular file types. MIME stands for “Multipurpose Internet Mail Extensions.” It is a standard across the internet. Java Web Start’s MIME entry identifies it as the application to launch to handle Java Web Start applications like the application you have downloaded. The MIME type applies whenever you try to open or browse to a file with the “.jnlp” extension which identifies itself as an “application/x-java-jnlp-file.” What is the “Security Warning” that comes up the first time I run the application? There are several features of each application which require access to your system and network. To print, the application needs access to your local printer. To save and reload preferences, the application needs access to your local disk drive. To get its data, the application needs to make an outgoing connection across your ne
