Magnolia 5.4 reached end of life on November 15, 2018. This branch is no longer supported, see End-of-life policy.
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You can try to fix it yourself by restoring the association of the .jar extension with the javaw.exe
executable. .Right-click the JAR file and select Open With. Typically the javaw.exe
file is in C:\Program Files (x86)\java\jre6\bin
). Alternatively, start the installer from a command prompt with the following command: java -jar magnolia-enterprise-installer-x.y.z.jar
. Make sure the file extension is .jar. Internet Explorer has a tendency to append or change it to .zip.
For additional issues related to activation keys and the handshaking process, see the Activation errors page.