After installing Java on your system, try to open the JAR file again and if you still face the same error, apply the instructions at method-2 below. You can download both Java versions from here.Ħ. * Note: If you use 32-bit and 64-bit browsers, you will need to install both 32-bit and 64-bit Java in order to have the Java plug-in for both browsers. When the uninstall is completed, click the Get Java button or navigate to Java Download page to download and install the latest Java version. Select all the installed Java versions and click Next.ĥ. * Note: If prompted that "There is only one up-to-date Java version detected. Download and run the Java Uninstall tool. The first step, to resolve problems with JAVA, is to uninstall all installed versions of Java and to re-install the correct and most recent version of JAVA on your PC. Uninstall and re-Install JAVA on your system. How to FIX: Unable to Open Java JAR Files – There are errors in the following switches: 'file.jar'.
Ĭheck that the commands are valid and try again." There are error in the following switches: 'C:\Users\…\file.jar'. This tutorial contains instructions to fix the following Java error while trying to open a. JAR file usually occurs because of multiple installed versions of Java on the PC, or because the the. The error "There are errors in the following switches" while trying to open a JAVA. Check that the commands are valid and try again", continue reading below. There are errors in the following switches: filename.jar. JAR JAVA files on a Windows 10, 8 or 7 based computer, with error " Unable to install Java.
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