Issue: How to fix Java error 1603 in Windows 10?
I cannot install Java updates on my Windows 10 computer. Everything starts fine, but after a couple of settings, it gives me Error Code: 1603. I tried suggested troubleshooter, but it didn’t help to fix the problem. What else can I do?
Java error 1603 is one of the common errors that might appear on Windows 10 when installing program’s updates. Java flaws and vulnerabilities are often exploited by malware developers, so installing updates are crucial to keep the system secure from possible attacks. Therefore, this error should not be ignored.
The reasons for the Error Code: 1603 might be different. Updates might be blocked by antivirus software, web browser or other programs are running Java and prevents from updating it, and many more. Users might also receive the following message if they are installing a wrong version of Java for their Windows machines:
Java update did not complete
Error Code: 1603
Please refer to Java Help Center for troubleshooting information or contact your system administrator.
This alert informs that needed updates cannot be installed. Therefore, you have to find the source of the problem and solve it. Below you can find 8 methods that should help to fix Java error 1603 in Windows 10.
Methods to fix Java Error Code: 1603
There are a couple of ways how to get rid of the error and solve its reasons. Therefore, try the methods presented below to install needed Java updates.
Method 1. Make sure that you are installing the right version of Java
Check if you are installing the right version of Java for your operating system. If you are using a 64-bit system, you have to download 64-bit Java, not a 32-bit version. If you are not sure what version of Windows you use, follow these steps:
- Open Cortana.
- In the search box type system.
- Click on About your PC option where you will see whether your system is 32 or 64-bit.
Method 2. Install Java as administrator
- Right-click Java installer.
- Choose Run as administrator option.
- Launch the setup guide and follow the instructions on the screen.
Now you should not receive Java error 1603. However, if the problem still exists, try the third method.
Method 3. Uninstall the previous version of Java
Uninstalling older version of Java might help to get rid of Error Code 1603. In order to so, you can download Java uninstall tool from the official website. Then open the installer and follow the guidelines on the screen.
Additionally, you can do it manually via Control Panel, meaning that you have to uninstall it as an ordinary program and reinstall it again.
Method 4. Turn off antivirus
Java is often blocked by security software, so your antivirus might be the source of Java error 1603. Therefore, you should temporarily disable security software to install Java:
- Right-click the taskbar and open Task Manager.
- Open Startup tab and choose your security software.
- Click on Disable button to stop antivirus.
- Restart the computer and try to install Java again.
Method 5. Close programs that run Java
After installing Java installer, you have to close the browser and other programs that are running Java. Otherwise, you might receive Java error 1603.
Method 6. Disable Java content
- Click Windows key + R to open Run program.
- Type Control panel in Run box.
- In the appeared window find Java and open it.
- In Java Control Panel open Security tab.
- Remove the tick next to Enable Java content in the browser checkbox.
- Click Apply and OK to save the changes.
- Install Java and enable Java content on the browser again.
Method 7. Run Program Install and Uninstall Troubleshooter
- Download Program Install and Uninstall troubleshooter from the official Microsoft’s website.
- Double-click on MicrosoftProgram_Install_and_Uninstall.meta.diagcab file to open the Troubleshooter.
- Click Next in the appeared window and follow the instructions on the screen.
Method 8. Delete KB2918614 Windows Update
Windows Update KB2918614 seems to be causing Java installation and update error for many Windows 10 users. Therefore, removing this update might help to get rid of the problem. Follow these steps:
- Click Windows key + R.
- Type appwiz.cpl in the appeared Run box and click OK.
- When Programs in Features window appears, click on View installed updates link in the left pane.
- You will see the list of installed updates. Search for KB2918614.
- Click on the KB2918614 Windows update and click Uninstall button.
- Once the uninstallation is completed, restart your machine and check if it helped to fix Java error 1603.
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