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  #1  
Old 24.11.2020, 17:18
KingZ KingZ is offline
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Posts: 6
Default Can't Update (failed update while validating the installation)

Hi, can you help / check why I can't update JDownloader2 ? here is the detail of error logs.

thank you.

Quote:
org.jdownloader.update.SelfUpdateException: Unexpected Selftest Result: FAILED org.jdownloader.update.lastchance.FailedException: org.appwork.updatesys.client.defaultimpl.http.NoConnectionException: Could not Connect to http://update.appwork.org/jcgi/lastc...=-1&rt=ST&st=1
at org.jdownloader.update.SelfUpdateClient.validateSelfTestFile(SelfUpdateClient.java:473)
at org.jdownloader.update.SelfUpdateClient.finishSelfUpdate(SelfUpdateClient.java:337)
at org.jdownloader.update.UpdateManager.runFinishSelfUpdate(UpdateManager.java:956)
at org.jdownloader.update.UpdateManager$12.run(UpdateManager.java:845)
at org.jdownloader.update.UpdateManager.installPendingUpdates(UpdateManager.java:865)
at org.jdownloader.updatev2.UpdateController.installUpdates(UpdateController.java:505)
at org.jdownloader.updatev2.UpdateController.onResults(UpdateController.java:384)
at org.jdownloader.update.UpdateManager$21.onResults(UpdateManager.java:1493)
at org.jdownloader.update.UpdateManager.runUpdateLoop(UpdateManager.java:1039)
at org.jdownloader.update.PendingUpdate.run(PendingUpdate.java:19)
at org.jdownloader.update.UpdateManager$23.run(UpdateManager.java:1662)
at java.lang.Thread.run(Unknown Source)
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  #2  
Old 24.11.2020, 19:06
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Jiaz Jiaz is offline
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Location: Germany
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JDownloader cannot connect to
Quote:
Could not Connect to http://update.appwork.org/.....
Most likely caused by firewall/av. also check https://support.jdownloader.org/Know...lation-process
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  #3  
Old 25.11.2020, 10:11
KingZ KingZ is offline
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Quote:
Originally Posted by Jiaz View Post
JDownloader cannot connect to

Most likely caused by firewall/av. also check **External links are only visible to Support Staff**...
I have tried to disable av/firewall before update, but still encounter the error with same log of errors above.
and also tried look up apps installed, there is no RelevantKnowledge or PremierOpinion.
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  #4  
Old 25.11.2020, 10:37
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Jiaz Jiaz is offline
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What firewall/av are you running? tried to uninstall them?
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  #5  
Old 25.11.2020, 11:50
KingZ KingZ is offline
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Quote:
Originally Posted by Jiaz View Post
What firewall/av are you running? tried to uninstall them?
my av is McAfee.
is there any way to update JD without uninstall av?
tried to disabled av when updating but still can't, stuck at validating installation.
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  #6  
Old 25.11.2020, 12:10
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Jiaz Jiaz is offline
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You should uninstall McAfee just to find out if it is causing the issue. Once you know, you can install it again. Or contact their support.
Something on your computer (most likely McAfee) is blocking connection to update server
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  #7  
Old 03.12.2020, 05:56
KingZ KingZ is offline
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Quote:
Originally Posted by Jiaz View Post
You should uninstall McAfee just to find out if it is causing the issue. Once you know, you can install it again. Or contact their support.
Something on your computer (most likely McAfee) is blocking connection to update server
just solved it, apparently it's because my windows didn't have Java installed.
After I installed Java, Jdownloader2 can finish the update smoothly.
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  #8  
Old 03.12.2020, 12:15
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Jiaz Jiaz is offline
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That's not the cause/solution because JDownloader comes with its own bundled Java in jre/java folder. But whatever you've done, what matters is that it works now Thanks for the feedback!
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  #9  
Old 04.12.2020, 12:06
martay777 martay777 is offline
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I had the same problem and turns out I didn't have Java either. I did the same thing as KingZ - installed Java - and it now allows me to update.
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  #10  
Old 04.12.2020, 12:11
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Jiaz Jiaz is offline
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Same answer. Java is NOT required to be installed because Java is bundled. Without Java the installer would not even run Must be something else causing this
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