How To Fix Java Error Code 1603? 5 Easy Hacks

There are several Java-based apps that are installed on your computers. You need to keep them updated to run them and maintain their performance. 

These applications check for the latest updates and download them automatically depending on the settings. But, sometimes you might encounter the Java error code 1603 while updating these Java-based apps. 

Mostly, this error appears when there is an abrupt failure in the installation process. This error comes with an error message that prompts you to have to close the apps that are using Java. 

You can easily troubleshoot this error by going through this article. Here, we have listed the effective solutions which can help you to eradicate this error in minutes. 

What Causes the Java Error Code 1603? 

The error code 1603 occurs due to several reasons. This error may appear due to the missing appropriate permissions. If the installation folder is encrypted, then it can also lead to the Java error code 1603. The corrupted or damaged Java registry files can also lead to this error. 

If the virus or malware or any other software of the system is interfering with the downloading process, then it can also trigger this error. 

After knowing the root causes behind this error, you just need the right hacks to get rid of this annoying error. 

Solved: Java Error Code 1603 [A Step-by-Step Guide]

Since there are several components that can trigger this error, you need to apply the appropriate solution to fix the problem. Follow the steps mentioned below:

  • Make sure that you have logged in with the admin privileges. If not, right-click on the installer file and select the ‘Run as administrator’ option from the list. 
  • Confirm that the drive you want to update is not encrypted. 
  • If the BitLocker is enabled on the system, then you can disable it and then install it again. 

Afterward, you can move on to the further procedures explained below. 

Fix 1: Close the Apps

You can close the applications that are showing the error message. You can check it by using the Task Manager. This is the easiest way to check whether those apps are running or not.

To do this, first, press the Ctrl and Esc key by holding the Shift key from the keyboard to open the Task Manager. Then, check the list of processes that are running in the background of the system. 

If you see that the Java-based apps are still running then select them and tap on the End Task button. Afterward, you can try to update a Java-based app to check if the issue is fixed. 

Else, you can use the Java Control panel to get rid of this error. 

Fix 2: Using the Java Control Panel

You can also solve the Java error code 1603 by using the Control Panel of Java. To do this, you can perform the steps mentioned below: 

  • First and foremost, open the Control Panel by going to the Start menu. 
  • Navigate to the Programs category and open the Java (32-bit) section. 
  • Next, go to the Security tab and untick ‘Enable Java content in the browser’ box. 
  • Tap the Apply button to go to the next page.  
  • Afterward, check the ‘Enable Java content in the browser’ box and again tap the Apply button.  

Now, exit from the Control Panel and check if the error code 1603 is eradicated from the system. Otherwise, you can perform the next solutions stated below. 

Fix 3: Uninstall the Previous Version

The Java error code 1603 can occur if the previous version of the application is still there. Henceforth, you can solve this error by uninstalling the previous version of Java. 

How to Uninstall the Previous Version? 

  1. In the beginning, hit the R and Win key both at the same time from the keyboard to invoke the Run Command box. 
  2. Afterward, type “addwiz.cpl” in the Run box and hit the Enter key from the keyboard to proceed. 
  3. Now, check the list and search for the JDK or Java option. Once you get it, right-click on it and choose the Uninstall option from the list. 

Here, you have to uninstall both the 32-bit and 64-bit versions. Once the uninstallation process completes, restart the computer. Afterward, try to update a Java-based program to check if the error is resolved. 

Else, perform the next solution described below. 

Fix 4: Disable the Antivirus Program

Sometimes, the antivirus program conflicts with the installation process. You can disable the antivirus program to resolve the glitch.

To do this, go to the system tray of the Taskbar and find the Antivirus icon. If you are unable to locate this, then you can check it in the hidden tray. Right-click on the antivirus icon and choose the Disable option from the list.

You can also do this by going to the Task Manager. To do this, you can perform the steps mentioned below: 

  1. First of all, right-click on the Start menu and choose the ‘Task Manager’ from the list. 
  2. Now, navigate to the Start-up tab and choose the antivirus program. 
  3. Tap on the Disable button from the next page. 

Afterward, exit from the page and restart the system to apply the changes. Now, you can try to install Java again to check if the error is sorted. 

All the methods discussed in this guide are quite easy to implement and has the capability to provide positive results. We hope, after executing the above hacks you can surely put an end to this error.