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Unable to Access JarFile: 3 Ways to Run JAR Files
Changing the default app for JAR files should fix this issue
3 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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Java browser plug-ins might have gone out of fashion, but many programs run off Java. For example, you can open Java programs with JarFiles, among othersoftware for opening JAR files.
However, some Java software users can’t always open JAR programs with the Unable to access JarFile error message popping up. This guide will show you some practical ways to get past this error message.
Why does it say unable to access jar?
The inability to access JarFile on Minecraft or Forge can be caused by mistakes on your path or issues with the software. Below are some of the prevalent causes:
How can I fix the unable to access JarFile error?
Before proceeding to the fixes in this guide, try the preliminary troubleshooting steps below:
If the fixes above fail to solve the issue, you can now move to the fixes below:
1. Update your Java version
A broken or outdated app can cause the unable to access the JarFile issue. Downloading the latest version of the app should fix the problem.
2. Select Java as the default program for JarFiles
JAR file error messages usually pop up when Java isn’t configured as the default software for a JAR file. This can be the cause of the unable to access JarFile.
Setting Java as the default program should fix the issue here.
3. Open the Jarfix Software
In some cases, the unable to access JarFile issue on IntelliJ can be because of problems with the file type associations. This Jarfix.exe software will help you fix this issue and restore normalcy on your PC.
Those are a few resolutions that might fix theunable to access JarFileerror and kick-start your Java software. After that, you only need to follow the instructions carefully, and the issue should be resolved.
For further details oninstalling a JAR file in Windows 10, check our guide to make the process easy.
If you have any other questions, please leave them in the comments section below.
More about the topics:error,Java,windows 10
Matthew Adams
Windows Hardware Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it.
He is passionate about the tech world, always staying up-to-date with the latest and greatest. With an analytical view, he likes problem-solving, focusing on errors and their causes.
In his free time, he likes to read and write about history and tries to always develop new skills.
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Matthew Adams
Windows Hardware Expert
He is passionate about everything surrounding Microsoft’s OS, focusing on troubleshooting guides & tips for everyday problems.
