How to Fix Jagex Launcher if it Opens and Closes Instantly

If Jagex Launcher closes instantly after opening, the problem is related to a hanging process. You need to close any instance of the app on your PC and disable the feature to automatically start when the computer starts. Also, have you looked for Jagex Launcher in the Windows action menu from the bottom right corner?

How do I fix Jagex Launcher if it opens and closes right away?

1. Close all instances from Task Manager

1. Right-click the Start button and select Task Manager.
2. Look for Jagex Launcher, right click on any process you find and select End task.
3. Now, try to start Jagex Launcher again.

Ending the Jagex Launcher processes in Task Manager fixed this problem for most users so you should be good to go. If it happens again after a system restart, follow the next solution as well.

2. Disable automatic launching when computer starts

1. Open Jagex Launcher (after you performed the first solution) and click on Settings.
2. Uncheck the box for Run Jagex Launcher when computer starts.

It seems that this whole problem is caused when Jagex Launcher runs at startup. After you disable the Run Jagex Launcher when computer starts, you won’t need to end the stuck processes of the app from Task Manager.

We hope that by following the simple solutions above, you fixed the Jagex Launcher opening and closing.

In case the problem persists, as a last resort option, you may also try uninstalling and reinstalling Jagex Launcher.

If you are wondering how Jagex Launcher compares to Steam, click the highlighted link to find out. We also have a review of Jagex Launcher if you’re looking for more information about it.

For any questions or particular issues you’re having, let us know in the comments below.