What causes Java error code 1618?

After some research, we have found out a few of the most common reasons why you will get the Java error code 1618:

Java installation: In case you have Java installed on your PC, then you will get this error. Antivirus is blocking Java: Aggressive antivirus settings can often lead to it blocking the Java installation. The installation file is corrupt: Corrupt installation or program-related files can also trigger this problem, so don’t hesitate to refer to our below solutions. Windows installer service is not running: A third-party program might have turned off the Windows Installer service. Here’s what to do if the Windows Installer service can’t be accessed. Corrupt registry keys: If some important registry entries are missing or corrupt then they can cause multiple issues.

How can I fix the Java error code 1618?

Here are some quick fixes that you can apply before applying the advanced troubleshooting methods:

Restart your PC as it will load all the system-related files from scratch. Close any other instance of the Java setup running on your PC.

Well, that’s about it. Let us check out the advanced solutions and possibly fix this problem.

1. Restart Windows Installer Service

You should make sure that the Windows Installer service is running to run the Java installation. Follow the above steps and start the service in case it is stopped.

2. Download Java offline installer

Chances are the Java installer is unable to fetch the installation files required to complete the installation. In this case, we would suggest you download the Java offline installer. The benefit of using an offline installer is that it will download the entire package, i.e., the installation files and other important program-related files required for a successful installation. Once you have downloaded the offline installer, you can install the program without the internet.

3. Disable antivirus

Your Defender Firewall might be blocking Java installation because of aggressive settings, which is why you are getting the Java error code 1618. All you need to do is disable the Windows Defender Firewall by following the above steps. We would suggest you turn Firewall back on when the issue has been resolved. SPONSORED

4. Install the latest Windows update

Several users have reported that updating their PC with the latest available update resolved the problem. Moreover, this issue was also associated with a specific version of the Windows 10 update. Reportedly, the Windows 10 update version KB2918614 broke the Windows Installer and hence caused multiple issues including the Java error code 1618.

5. Clean boot your PC

When you perform a clean boot, your PC boots up with minimal drivers and programs that are the only essential ones required for the PC to function. This also prevents the situation where a third-party program might be conflicting with the Java installation and trigger the Java error code 1618.

6. Install Java in a new folder

Often Java can throw errors if the location isn’t apt for its installation. In such a case, we would suggest you install Java in a new folder and see if this resolves the Java error code 1618. We have a dedicated guide that lists down all the steps that you need to download the latest version of Java, both 32-bit and 64-bit on your Windows PC. Apart from Java error code 1618, you will also come across Java error 1603. To fix it, we have a guide that will help you. You can also check out our list of the best browsers that support Java and how you can enable it. Let us know in the comments below, which one of the above solutions helped you resolve the Java error code 1618.

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