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Old 15.02.2016, 10:19
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Jiaz Jiaz is offline
JD Manager
Join Date: Mar 2009
Location: Germany
Posts: 68,297

I guess you simply copied an existing installation? Right?
Please close JDownloader and delete tmp and update folder and Core.jar
Then start JDownloader and it will update itself with all correct libraries for your system
JD-Dev & Server-Admin