Java is a programming language with few implementation dependencies, making it a popular choice among developers. Users, on the other hand, must have it installed on their Mac, Windows, or other system in order to run applications that are based on it. Java error 1603 is one of the most common errors that can occur when installing program updates on Windows. Malware developers frequently exploit Java flaws and vulnerabilities, so installing updates is critical to keeping the system secure from potential attacks.
As a result, this error should not be overlooked. The causes of Error Code: 1603 could be various. Updates may be blocked by antivirus software, web browsers, or other programs that run Java and prevent it from being updated, among other things. If users install the incorrect version of Java for their Windows machines, they may also receive the following message: This alert indicates that necessary updates are unable to be installed. If Windows users attempt to update Java when an older version is already installed, they may receive this error code.
The proper Java version should be used in accordance with the Windows operating system that a user has installed; this should be the first thing you check after receiving the error. However, the incorrect java version is not always the source of the problem. As a result, we provided several methods to assist people in various situations. There are eight methods listed below that should help you resolve Java error 1603 in Windows 10.
How to Fix Java Error Code 1603
Make Sure That You Are Installing The Correct Version Of Java
Check that you have the correct Java version for your operating system. If your computer is 64-bit, you must download 64-bit Java rather than 32-bit Java. If you’re not sure what version of Windows you’re using, follow these steps.
- In Windows 10/11, click the Cortana taskbar button.
- Enter the keyword system in the search box.
- Then, in the window that appears, click About your Computer/Laptop.
- Scroll down to System type, which specifies whether the platform is 64-bit or 32-bit.
- Make certain that you are not installing 64-bit Java on a 32-bit system. If this is the case, Java will most likely not install.
You have the option of downloading the 32-bit version of Windows x86 Offline. You can determine whether your system is 32-bit or 64-bit by running the following tests. Another thing to think about is whether your Java SDK is 32-bit or 64-bit. If you try to replace a 64-bit Java SDK with a 32-bit version of Java, or vice versa, you may encounter a 64-bit and 32-bit conflict. Replace an old 64-bit version with 64-bit Java, or update 32-bit Java to the most recent 32-bit version.
Install And Run Java As Administrator
Installing software as an administrator can solve installation issues. As a result, as an administrator, you must install the most recent Java version.
- By right-clicking it, you can install Java.
- Select the Run as administrator option.
- Begin the installation process by following the on-screen prompts.
The Java error 1603 should no longer appear. If the problem persists, try the third option.
Turn Off Antivirus
Another option is to run tests on your antivirus software. McAfee VirusScan Enterprise includes a feature called “Access Protection.” Access Protection includes the option to prevent the installation of browser assistance objects and shell extensions. It is classified as “Common Standard Protection.” The sign states that enabling this option will prevent Java from being installed. Because security software frequently blocks Java, Java error 1603 could be caused by your antivirus. As a result, in order to install Java, you must temporarily disable security software:
- By right-clicking the taskbar, you can access Task Management.
- From the Startup tab, select your security software.
- To disable antivirus, select the Disable option.
- Restart the PC and try installing Java again.
Alternatively, reboot after removing the antivirus software from the Windows startup. The Startup tab of Task Manager shows you how to disable antivirus software.
- Press the Disable button to prevent the software from starting.
- Install Java after restarting Windows.
Close Programs That Run Java
Make sure all other programs are closed before installing Java. There may be programs that run Java when you try to install the latest version. After using the Java installation, you must close the browser and any other Java-enabled applications. If you don’t, you may encounter Java error 1603.
Close your browser after downloading the Java installer. Close all other program windows on the taskbar. Also, check your system tray for any third-party program icons (notification area). Close the programs in the system tray if this is the case.
Disable/Enable Java Content
This method blocks Java content in the browser before installation.
- When you receive the 1603 error, close the installer.
- Locate the Java Control Panel and uncheck “Enable Java Content” in the Web Browser.
- In the Java Control Panel, uncheck the Security tab.
- Uncheck the Enable Java Content In The Browser box.
- To confirm the changes, click Apply and then OK.
- Java must be reinstalled, and Java content in the browser must be enabled again.
- The Offline Installer Package is available for download and installation.
- If you need to use Java content in the browser, re-enable “Enable Java content” in the browser after the installation is complete.
Uninstall The Previous Version Of Java
Uninstalling an older version of Java may resolve Error Code 1603. Java uninstall programs can be downloaded from the official website. Then launch the installer and follow the on-screen directions. You can also use the Control Panel to manually uninstall it as a regular program and then reinstall it.
Delete KB2918614 Windows Update
Windows Update KB2918614 appears to cause Java installation and update issues for many Windows 10/11 users. As a result, removing this update may help to resolve the problem.
- Open the Run dialog box by pressing Windows key + R. Enter appwiz.cpl in the Run box that appears and click OK.
- When the Programs in Features box appears, in the left panel, click the View installed updates option.
- A list of updates that have been installed will appear. Look for the KB2918614 code.
- Uninstall the KB2918614 Windows update by clicking the Uninstall button next to it.
- When the uninstallation is complete, restart the PC to see if the Java error 1603 has been resolved.
- The KB2918614 update may be reinstalled by Windows. To prevent this from happening, disable automatic updates.
Final Words
After applying all this above solution and still stuck in the same issue than we recommend you to go to their official support website and request your problem to be solved. While the exact cause of this error is unknown, it is worth checking to see if you have met all of the Java system requirements. If you are using a Windows system, check to see if there is insufficient disk space available for Java installation. Make sure you meet the hardware requirements and use a popular browser for the Java installation. Also, for download and installation, Windows users may need administrative privileges.
I hope you understand this article, How to Fix Java Error Code 1603.
