Java Update or Install did not complete – Error Code 1603 While the exact cause of this error is not known, it is worth checking if you have fulfilled all the system requirements for Java.

Here are the three easiest ways to fix Java’s “not recognized as an internal or external command” error: Install or reinstall Java and the JDK on your computer Add Java’s bin directory to the computer ...

<tl;dr> To fix the Eclipse “No Java virtual machine was found” error, simply edit the eclipse-inst.ini file and add the -vm flag, which points it to the java utility in the JDK bin directory: ...