[Solution] Java Error Code 1603. Java Update did not complete.

⚠️ Error Code 1603. Java Update did not complete.

If you were trying to update or do a fresh installation of Java on your Windows computer or laptop and you ran into the above error message then you can try the below to solutions to solve your issue.

Solution 1: Restart your computer and uninstall old versions

  1. If you see the 1603 error just restart your computer.
  2. Download the offline installer package form Java's website and try installing: https://java.com/winoffline_installer/
  3. Save the file somewhere on your computer and double click on it to start the installation process.
  4. Make sure that you uninstall the previous Java versions before installing.

Solution 2: Disable Java content through the Java Control Panel

  1. As you get 1603 error just close the Java installer.
  2. Go to Control Panel and click on Programs. Now, click on the Java icon to open Java Control Panel.
  3. Uncheck Enable Java content in the browser option under Security tab and click Save and OK
  4. Now try reinstalling Java, one the process is complete re-enable Java content in the browser.

If you go and check on Oracle's Java page you would see the reason for this issue is yet not known and has been investigated upon,

This error, seen during the installation process, indicates that an installation did not complete. The root cause of this error is under investigation.


✏️ You may get this issue while installing Java version 7 or 8 and on Windows Operating system such as Windows 10, Windows 7 or Windows 8

Error Code 1603. Java Update did not complete.

Have Questions? Post them here!
Try Out Code2care Dev Tools:


Android Java Linux Microsoft Google Python macOS Notepad++ Microsoft Teams CSS PHP SharePoint Html Linux C Programs Bootstrap jQuery Sublime Android Studio Facebook Eclipse WhatsApp News MySQL Json HowTos JavaScript FTP S3


Code2care is an initiative to publish and share varied knowledge in programming and technical areas gathered during day-to-day learnings and development activities.

Students and Software Developers can leverage this portal to find solutions to their various queries without re-inventing the wheel by referring to our easy to understand posts. Technical posts might include Learnings, Tutorials, Trouble-Shooting steps, Video Tutorials, Code Snippets, How Tos, Blogs, Articles, etc.
🎉 We are celebrating the 10th years of Code2care! Thank you for all your support! We hope we made a difference.
We strong support Gender Equality & Diversity.

We stand in solidarity with Ukraine - Make a donation to UNHCR - https://donate.unhcr.org/in/en-in/ukraine-emergency