When my system starts up, I get a dialogue box that reads: "Java Virtual Machine Launcher. Cannot find main class. Program will exit." I have tried system restore as far back at it will allow, but that did not correct problem. I have no idea what the problem is or what caused it. I do not know what Java Virtual Machine Launcher is, what the main class is, or what difference it makes to me. All the programs I regularly use work fine after clicking "ok" on this dialogue box. What does it mean and how do I correct it? The computer is a new Dell, but Dell Support was not much support.