[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,

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


https://java.com/en/download/help/error_1603.xml

✏️ 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