Windows 10: Unable to open jar files

Discus and support Unable to open jar files in Windows 10 Network and Sharing to solve the problem; I've been trying to open jar file for a while now and it doesn't seem like anything is working. I have tried many different solutions that didn't seem... Discussion in 'Windows 10 Network and Sharing' started by placoom, Sep 24, 2020.

  1. placoom Win User

    Unable to open jar files


    I've been trying to open jar file for a while now and it doesn't seem like anything is working. I have tried many different solutions that didn't seem to work. I've tried jarfix, but it didn't seem to help either.


    Whenever I try to open a jar file after restarting my laptop, it opens a command prompt for a quick second before closing. Then after that, it just refuses to do anything.


    I use the Windows 10 version.

    :)
     
    placoom, Sep 24, 2020
    #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, Sep 24, 2020
    #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, Sep 24, 2020
    #3
  4. Unable to open jar files

    Cannot Open .jar files.

    Hi Wolfenshire,

    Welcome to Microsoft Community.

    Sorry to know that you are unable to access .jar file on Windows 10. I will certainly help you.

    The .jar files contain Java applications (jar stands for Java Archive) and needs the Java runtime environment installed on your computer to be able to run Java applications.

    I suggest you to follow the steps recommended by Nyima Yonten on October 13, 2015
    on similar issue from below link and check if it resolves the issue.

    Can't open .jar files and some .exe's with Windows 10

    Hope this helps. If the issue remains unresolved, please get back to us and we would be happy to help.

    Thank you.
     
    Vinodh_Kumar V, Sep 24, 2020
    #4
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Unable to open jar files

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