Share this article

This article is translated in

Improve this guide

JNLP File Not Opening? Here’s How to Fix It!

Check easy ways to launch JNLP files on your PC

3 min. read

Updated onSeptember 17, 2024

updated onSeptember 17, 2024

Share this article

This article is translated in

Improve this guide

Read our disclosure page to find out how can you help Windows Report sustain the editorial teamRead more

JNLP file not opening? You’re not alone. The issue usually stems fromJava errors, file associations, or other settings. Bellow, we’ll help you address all those problems. Let’s dive in.

How do I open a JNLP file?

How do I open a JNLP file?

1. Manually with Java WS

So if you were wondering how to run a JNLP file in Java, this should do. Also, if the JNLP file was not opening withJavaWSearlier, reconfiguring the file association as we did earlier should do the trick.

2. With a text editor

For those wondering how to open JNLP file without Java, you can always use Notepad. Though remember, here, you can only view the content. Also, you can useNotepad++, an open-source software that allows tabbed editing for enhanced workability.

3. Via Command Prompt

How to automatically open Java Web Start Application JNLP files?

This way, you can set the default file association for JNLP files, and they will automatically launch usingJawa Web Start Launcherthe next time. Also, if the JNLP file is not opening in the browser, you can always download it and use Java WS to access it.

Java errors, such aserror code 1618or issues withoutdated Java, and JNLP files not opening are common. But with the fixes above, you can address these problems and get things running smoothly again.

For any other queries or to share other methods, use the comments section below.

More about the topics:Java

Tashreef Shareef

Tashreef Shareef is a software developer turned tech writer. He discovered his interest in technology after reading a tech magazine accidentally. Now he writes about everything tech from Windows to iOS and streaming services to IoT at WindowsReport.

User forum

6 messages

Sort by:LatestOldestMost Votes

Comment*

Name*

Email*

Commenting as.Not you?

Save information for future comments

Comment

Δ

Tashreef Shareef