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Old 16.12.2016, 07:24
spaceace76 spaceace76 is offline
Baby Loader
 
Join Date: Oct 2014
Posts: 8
Default JDownloader not working or installing

I've been using JD for years now and suddenly the program stopped working and refused to open. I then uninstalled JD2 and tried reinstalling, but that gives me an error message and closes immediately.

I have downloaded the installer from multiple sources and tried installing with and without admin rights but nothing seems to make a difference.

I'm on windows 10 using JD2, and the only error details JD provides are:

org.jdownloader.update.launcher.JDLauncherFailedException: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:797)
at org.jdownloader.update.launcher.SecondLevelLauncher.init(SecondLevelLauncher.java:562)
at org.jdownloader.update.launcher.SecondLevelLauncher.runMain(SecondLevelLauncher.java:331)
at org.jdownloader.update.launcher.JDLauncher.main(JDLauncher.java:10)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: org/jdownloader/startup/Main
at org.jdownloader.update.launcher.SecondLevelLauncher.launchJDownloader(SecondLevelLauncher.java:729)
... 10 more
Caused by: java.lang.ClassNotFoundException: org.jdownloader.startup.Main
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 11 more



The problem appears Java related but I updated, then uninstalled and reinstalled it, with no change.

Any idea what's causing this?
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