Windows 10: .jar files will not open. I've tried all current known methods in this forum. Help.

I'm trying to open .jar files. I have the current java version installed 64 bit, as per my OS, windows 10 is fully updated to the newest version. The following are the methods I have already tried and verified multiple times:1. File association: I've already ensured that the files are opening the correct .exe files in the java folder. All of this was also done while running as administrator.2. File association Reg: The registry has also been appropriately updated to associate the files to the proper extension.3. jarfix.exe : I have used the proper jar fix multiple times.4. Uninstalled and

:)

 

.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.

 

Java .jar file is not downloaded as a java file.

Have you tried the second solution?

"Open the Settings app. Navigate to the System > Default apps.

Scroll all the way down and select Choose default apps by file type.

Locate the .jar file type and choose a default application.

This method offers limited options and you can only choose applications recognized by Windows 10. Fortunately, there’s another method that you can try. To change file associations, do the following:

Press Windows Key + X to open Win + X menu and choose Control Panel from the list.

When Control Panel opens, select Default Programs.

Click on Associate a file type or protocol with a program.

Locate the .jar file on the list and double-click it.

A list of suggested applications will appear. Click on More apps.

Scroll all the way down and choose Look for another app on this PC.

Locate the javaw.exe file. By default, the application should be located in Program Files folder. Select the application and choose it as a default for .jar files.

Optional: Some users recommend changing the parameters of javaw.exe. To do that, simply locate the file and create its shortcut. Right-click it and navigate to the Properties. Now, locate the Target file and add -jar “%1” % . Be sure to select this newly created
shortcut in Step 7.

You can also change file association by right clicking the jar file and choosing Open With > Choose another app. After doing that, follow the steps 5 to 8 from the above"

 

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.