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Since May 9, after a windows 10 update, on IE11 11.0.40, JNLP files wont launch from IE, but in a computer with IE version 11.0.34 it work perfectly.

Any ideas?

Thanks in advance

Nick Weseman
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Alex Formoso
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  • Have you checked that the .jnlp file association is present/correct? i.e. in Control Panel > All Control Panel Items > Default Programs > Set Associations verify that there is a line with Name=.jnlp, Description=JNLP File and Current Default=Java(TM) Web Start Launcher – tanderson May 24 '17 at 00:27
  • Are there maybe any other solutions than de-installing the 64 bit version of java? – Florian Jun 27 '17 at 12:54

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I had a problem opening a jnlp file, no matter what, trying to associate it with the Java Web Service exe javaws.exe, but it just would not associate and would not be run. I read throughout forums and all, and in the end from old DOS.exe files that I have used, somehow I did that and a miracle, it worked, I simply dragged the saved jnlp file and dropped it onto the javaws.exe, and it was executed. wanted to share this...

Geri
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Alex, it appears our friends at Oracle heard you loud and clear. According to the JDK Bug System, this issue is being tracked under defect JDK-8185661. The fix appears to be in the pipeline for inclusion in an upcoming Critical Patch Update (CPU).

In the meantime, it is possible to test the fix on a development system using an early access build downloaded via Oracle's Java Early Access Downloads page. After reproducing the issue with JRE 8u151 (1.8.0_151-b12) on a Windows 10 version 1703 system, using IE 11.0.44, I verified the issue as fixed after updating to early-access JRE 8u162 (1.8.0_162-ea-b01).

Snaps-a-Lot
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The problem is solved in Java 8 u162. Now you can have Java RE x86 and x64 installed and jnlp will open as it should in Internet Explorer. We are using sitelist / Enterprise Mode to redirect jnlp urls from Edge to Internet Explorer.

user1588339
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I had the same problem after installing Windows 10 creators update.

Reason/Solution: I had both the 32-bit and the 64-bit JRE installed on my computer (Java 8 Update 131). This was not a problem before the creators update. Java applets and Java webstart applications have worked fine in Internet Explorer 11. However, Internet Explorer 11 (11.332.15063.0) seems to have problems with the 64-bit JRE. Java Webstart applications can only started if only a 32-bit JRE is installed.

Niko
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Thanks! I uninstalled Java x64 and it solved my problem with jnlp-file that didn't start.

user1588339
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