Error Code 1603 pops up while installing or updating Java. We explain how you can fix the Java Error code 1603 and install Java successfully on your PC.

If you've run into common JAVA_HOME errors such as JAVA_HOME not found or JAVA_HOME set to an invalid directory, we've got the fix for you with these tips.

To clear the Java cache, open the Java control panel, which you can find in the Windows Control Panel or in System Preferences on a Mac.