Windows 10: How do I get this JAR file to open?

Discus and support How do I get this JAR file to open? in Windows 10 Customization to solve the problem; I have a JAR file - a small software design app I have used for years - that will not open. It has become associated with Internet Explorer [ATTACH]... Discussion in 'Windows 10 Customization' started by Vagulus, Nov 17, 2019.

  1. Vagulus Win User

    How do I get this JAR file to open?


    I have a JAR file - a small software design app I have used for years - that will not open. It has become associated with Internet Explorer

    How do I get this JAR file to open? 69386eed-6df3-4a2d-bc76-bbc0b92d5e67?upload=true.png

    so when I try to run it I only get

    How do I get this JAR file to open? e2c552dd-b4d4-432a-83cf-b213431035ee?upload=true.png


    Even if I copy the JAR file right next to JAVA.EXE I get the same result.


    How do I unhitch this file from IE and have it executing normally using Java?


    Thanks

    :)
     
    Vagulus, Nov 17, 2019
    #1
  2. DaveM121 Win User

    jar files

    Fixing .jar file opening on Windows requires two steps:

    • Open the Control Panel, and chose "Default Programs - Associate a File type or protocol with a program". Find .jar extension (Executable JAR file) there, and pick Java as default program to open this extension. It will probably be listed as "Java Platform(SE)".
      A faster alternative perhaps is straightforward right-click on a .jar file, and then change associated program by clicking on the "Change..." button.
    • Now open the regedit, and open the HKEY_CLASSES_ROOT\jarfile\shell\open\command key. Luckilly for us, we may specify parameters there for the (Default) value. This is normally: C:\Program Files\Java\jre7\bin\javaw.exe" -jar "%1" %*

    I Hope this Answers your Question!
     
    DaveM121, Nov 17, 2019
    #2
  3. .jar files opening in internet explorer

    Hi Robert,

    Welcome to Microsoft Community.

    I understand that .jar files opens in Internet Explorer by default and downloads again on Windows 10. I will certainly help you.

    I suggest you to follow the below steps and check if it resolves the issue.

    1. Right click on the .jar file, select Open with
    and click on Choose another app.

    2. Select the app you want to open the .jar file from list.

    3. If required, highlight the app and check the option
    Always use this app to open, click OK.

    Hope this helps. If the issue remains unresolved, please get back to us and we would be happy to help.
     
    Vinodh_Kumar V, Nov 17, 2019
    #3
  4. NateHoopu Win User

    How do I get this JAR file to open?

    .jar files opening in internet explorer

    I have the same problem, I accidentaly switched a .jar file to open with internet explorer, or notepad, I can't remember, and I forgot to unselect set it to the default, and now I can't get back to the java thing, please help.
     
    NateHoopu, Nov 17, 2019
    #4
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How do I get this JAR file to open?

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