Windows 10: How to open or run a JAR file on Windows

JAR files are like EXE files except that they need a Java framework to run. Imagine them as EXE files on Windows which you can double click to launch the program. When you run an EXE file, it uses Windows [...]

This post How to open or run a JAR file on Windows is from TheWindowsClub.com.

read more...

 

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!

 

.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.

 

.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.