Door Spiff: Zou het probleem mogelijk kunnen zitten in het updaten van een Java 6 serie versie met een Java 7 serie versie? Als dat zo zou zijn, dan is dat hoe dan ook beroerd, die oude versie zou automatisch verwijderd horen te worden, zo lijkt me. Uit http://weblogs.java.net/blog/enicholas/archive/2006/10/what_you_should_1.html: Door Ethan Nicholas op 2006-10-06: [...] Java has always allowed you to keep multiple versions installed on the same computer at the same time. Whether you love this particular feature or hate it, there's no denying that it can be useful at times. Certainly as a developer I appreciate being able to have Java 5 and Java 6 on the same machine at the same time, and I know enterprises prefer to be able to certify their internal software against exactly one version of Java without worrying about employees accidentally changing the Java version out from under them. But as with all significant decisions, there is no single right answer. What's right for developers and enterprises ...