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Java can’t unzip, core files error 25099. In Task Manager under process, jqs.exe is not listed. Now what?

Java errors often take on a life of their own as they avoid removal. However, persistence will pay off. Here are a few more tips to help you get out of this situation. Read through all of them as a variation exists.

What is Error 25099?

Java Error 25099 indicates that the installation process has failed for this application. It leads to a problem unzipping core files that are needed to complete the installation. This error is a bit tricky to resolve at times, but it needs to be resolved in order to install Java. The installation starts and then hiccups and hangs there preventing you from getting the full product. Let’s see if the following tips help. It seems as though a Java process is running and is unable to either continue or stop and this is creating the problem. The ‘jqs’ in jqs.exe stands for “Java Quick Starter.”

Solving Error 25099 with Task Manager Does Not Work with “Java Quick Starter”

The biggest problem using the Task Manager to resolve this error occurs when the jqs.exe process is not listed. When this happens, you aren’t able to stop the process in order to uninstall the partial or old Java application. You will need to access and utilize the Windows Command Prompt utility to remove the jqs.exe process.

Resolving Error 25099: Windows Command Prompt

The following steps will stop the jqs.exe process:

1. Navigate to “Start” and click.
2. Select “Run.”
3. An open box appears. Type in the following command ‘cmd’ to generate the Command Prompt Window. Just type the letters.
4. In the open box, type the following exactly: net stop “Java Quick Starter”  
5. Press “Enter.”
6. If you have been successful, then you will see the following message: “The Java Quick Starter service was stopped successfully.” It will probably appear beneath the words: “C:\Documents and Settings\user>net stop “Java Quick Starter.”
7. Once you have completed this scenario, you can visit the Java website and download the latest version.

Solving Error 25099 with Task Manager: Java Update

Sometimes, it is the Java Update that is actually causing the error 25099 to occur. This process fails to stop and continues to run, leading to the problem with unzipping core files. Open the Task Manager by pressing the following keys all at once: CRTL, ALT, and DEL. Look at the top of the “Task Manager” box and click on “Processes.” Since it might be the update for Java that is creating the problem and generating error 25099, you need to look for jusched.exe. Select it and choose the option to end task.

I keep getting this error message when I download Java called error 25099. I erased most of my java files and it still comes up. When I install Java it stops when and says copying files then this comes up. Help?

Installing Java

Remove all Previous Java Versions

The best way to begin to troubleshoot a Java error is to completely remove any and all previous Java installations. Java isn’t very good at distinguishing new from old and previous versions can definitely interfere with your attempt to get a new version up and running. You can use Windows Add/Remove to clear out all your old files.

To do this, open your Start Menu, choose Settings, then choose the Control Panel, then All Programs and then find all the Java files, click on them and select Remove. Once you have removed the remaining files, it is a good idea to run a registry scan to clean up any leftover bits of data on your system that can jam things up and slow your processes down.

Microsoft Installer CleanUp Tool

There is also a Microsoft Installer CleanUp Utility that will resolve any issues related to incomplete uninstalls. If there are still Java files showing up after you use Add/Remove, try running this tool to clean things up.

Java Error 25099

Once you have a clean slate, you can deal with Java error 25099, which is a known InstallShield error that means that your installation attempt has failed. While Java is aware of this error, its exact cause has not been determined. In the event of this error, the suggested solution offered by Java is to download and install the offline version.

Download the Offline Java Installation

The offline download won’t be affected by Internet connection problems or other possible causes of download errors. You can download the offline version on the Java Manual Downloads webpage. On this page, choose the appropriate version for your operating system and then follow the prompts to choose a location to save the folder, most often the desktop, and then save the download. Continue to follow the prompts to complete the download.

Install and Test your Java Download

Next, close all of your open pages and applications, including your Internet browser. Now find the Java icon on the desktop and click it twice to initiate the installation. You will be offered a license agreement, which you must accept to continue. Continue to make your adjustments and click Next to proceed through the pages until you reach the conclusion. Once you finish the download, you can test that it is working properly with this Java Test Tool.