Step 2: Under the Process tab, go through the list of programs. Step 1: Right-click the taskbar and then choose Task Manager from the menu. You will know what version of Windows 10 you are using.Īfter checking the version of your system, let’s try to close the programs that are running Java.

Navigate to the About tab and then look at the System type.

Right-click the Windows icon on the toolbar and then select Settings from the menu.

If you are not sure what version of Windows 10, follow the steps below. This means you should install the 64-bit Java if you are running on a 64-bit Windows 10. Fix 1: Check the Version of Windows 10Ĭheck whether the version of Java is matched with Windows 10.

If the code error persists, try the following solutions one by one until you get rid of this error code 1603. If it is enabled, disable it and then try to install it again.Īfter making sure of the above items, let’s try to restart your computer first.

Make sure you have BitLocker disabled.

Make sure the drive you are trying to install on is not encrypted.

Make sure you run the installer as administrator.

It is possible that the Java update you ware try to install is been blocked by antivirus software, web software or other programs that are running Java.īefore trying to fix this issue, please make sure the following items first as them may prevent you from installing the Java update. What can cause error code 1603 on Windows 10? The reasons for this error might be different. I tried suggested the troubleshooter, but it didn’t help to fix the problem. Everything starts fine, but after a couple of settings, it gives me Error Code: 1603. I cannot install Java updates on my Windows 10 computer.

One Windows user reported that he ran into Java error code 1603 and the detailed information is below.

Fix 5: Uninstall Previous Versions of Java.

Java install error 1603 fix