更新時のIOエラーで同じ状況のかた
情報共有しませんか

java.lang.NullPointerException
at java.lang.ProcessBuilder.start(Unknown Source)
at org.jdownloader.update.DefaultCallbackHandler.runExeAsynch(DefaultCallbackHandler.java:446)
at org.jdownloader.update.UpdateManager$15.runExeAsynch(UpdateManager.java:1487)
at org.jdownloader.update.UpdateManager.runExeAsynch(UpdateManager.java:949)
at org.jdownloader.update.SelfUpdateClient.finishSelfUpdate(SelfUpdateClient.java:266)
at org.jdownloader.update.UpdateManager.runFinishSelfUpdate(UpdateManager.java:957)
at org.jdownloader.update.UpdateManager$6.run(UpdateManager.java:834)
at org.jdownloader.update.UpdateManager.installPendingUpdates(UpdateManager.java:854)
at org.jdownloader.updatev2.UpdateController.installUpdates(UpdateController.java:517)
at org.jdownloader.updatev2.UpdateController.onResults(UpdateController.java:396)
at org.jdownloader.update.UpdateManager$15.onResults(UpdateManager.java:1494)
at org.jdownloader.update.UpdateManager.runUpdateLoop(UpdateManager.java:1055)
at org.jdownloader.update.PendingUpdate.run(PendingUpdate.java:19)
at org.jdownloader.update.UpdateManager$17.run(UpdateManager.java:1680)
at java.lang.Thread.run(Unknown Source)