java.lang.RuntimeException: Failed to extract zip
	at de._692b8c32.cdlauncher.tasks.ExtractZipTask.doWork(ExtractZipTask.java:65)
	at de._692b8c32.cdlauncher.tasks.TaskProgress.run(TaskProgress.java:68)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.util.zip.ZipException: error in opening zip file
	at java.util.zip.ZipFile.open(Native Method)
	at java.util.zip.ZipFile.<init>(ZipFile.java:219)
	at java.util.zip.ZipFile.<init>(ZipFile.java:149)
	at java.util.zip.ZipFile.<init>(ZipFile.java:163)
	at de._692b8c32.cdlauncher.tasks.ExtractZipTask.doWork(ExtractZipTask.java:50)
	... 2 more