Should I uninstall JRE if I have JDK?

No you do not have to. However JDK contains the runtime environment (JRE), so if you can safely remove it, if you wish so.

How do I fix Java Runtime?

How can I fix the Runtime error on Java?

  1. Select Start , click on Settings.
  2. In the next menu, choose Update & Security, and then click Troubleshoot.
  3. Select the type of troubleshooting you want to run, then select Run the troubleshooter.
  4. Allow the troubleshooter to run and then answer any questions on the screen.

What is Java Runtime Environment and do I need it?

The Java Runtime Environment (JRE) version 8 is what you get when you download Java software from The JRE consists of the Java Virtual Machine (JVM), Java platform core classes, and supporting Java platform libraries.

Why is Java not working on my PC?

Close all of the browser windows, then reopen any web pages that require Java. In most cases starting a new browser session should make the latest installed version of Java active in your browser. Note: If you are still prompted to update, try restarting your system.

How do I install Java Runtime?

Downloading the JRE Installer

  1. In a browser, go to the Java SE Runtime Environment 9 Downloads page.
  2. Download the JRE installer according to your requirement.
  3. Click Accept License Agreement, and then, under the Download menu, click the link that corresponds to the installer for your version of Windows.

Why is JRE not installed?

Solution: To resolve this error you need to install the JRE 32-bit version. Your Windows Operating System may be of 32 bit or 64 bit. If your Windows Operating System is of 64-bit then by default JRE 64-bit will be installed on your system.

Should Java be uninstalled?

We highly recommend that you uninstall all older versions of Java from your system. Keeping old versions of Java on your system presents a serious security risk.

Can Java harm your computer?

Using Java is an unnecessary security risk… especially using older versions which have vulnerabilities that malicious sites can use to exploit and infect your system. Although, Java is commonly used in business environments and many VPN providers still use it, the average user does not need to install Java software.