I downloaded tiny umbrella version 4.21.01 on my computer tonight and can't seem to open it. I keep getting an error message saying, "No JVM could be found on your system. Please define EXE4J_JAVA_HOME to point to an installed 32-JDK or JRE or download at java.com." I have downloaded the latest software from java as well as JRE version 6 update 22 software from Cnet. I'm still getting an error message and not sure what else to do. Any help would be much appreciated Thanks!