SoapUI Crashing

This is the error log I get when using 5.3.0 with built in java browser:

 2017-03-07 15:15:15,441 ERROR [errorlog] java.lang.ClassNotFoundException: com.eviware.soapui.plugins.auto.factories.AutoDiscoveryMethodFactory
java.lang.ClassNotFoundException: com.eviware.soapui.plugins.auto.factories.AutoDiscoveryMethodFactory
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Unknown Source)
    at com.eviware.soapui.plugins.LoaderBase.loadAutoFactories(LoaderBase.java:112)
    at com.eviware.soapui.plugins.LoaderBase.loadFactories(LoaderBase.java:80)
    at com.eviware.soapui.plugins.PluginLoader.loadPluginFactories(PluginLoader.java:141)
    at com.eviware.soapui.plugins.PluginLoader.loadPlugin(PluginLoader.java:104)
    at com.eviware.soapui.plugins.PluginLoader.loadPlugin(PluginLoader.java:54)
    at com.eviware.soapui.plugins.PluginManager.doInstallPlugin(PluginManager.java:141)
    at com.eviware.soapui.plugins.PluginManager.access$600(PluginManager.java:43)
    at com.eviware.soapui.plugins.PluginManager$LoadPluginsTask.computeSequentially(PluginManager.java:420)
    at com.eviware.soapui.plugins.PluginManager$LoadPluginsTask.compute(PluginManager.java:377)
    at com.eviware.soapui.plugins.PluginManager$LoadPluginsTask.compute(PluginManager.java:365)
    at java.util.concurrent.RecursiveTask.exec(Unknown Source)
    at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
    at java.util.concurrent.ForkJoinWorkerThread.execTask(Unknown Source)
    at java.util.concurrent.ForkJoinPool.scan(Unknown Source)
    at java.util.concurrent.ForkJoinPool.work(Unknown Source)
    at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)