A user reported the following: "Everything was working fine, then it said my java was out of date did I want to install the update. Update installed now I get this error when launching the PowerSchool gradebook:

java.lang.ClassNotFoundException:com.pearson.powerschool.system.Startup
    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 com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.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 org.xito.reflect.Reflection.findClass(Reflection.java:87)
    at org.xito.reflect.Reflection.findClass(Reflection.java:74)
    at com.pearson.powerschool.gradebook.ServiceManager.initialize(ServiceManager.java:94)
    at com.pearson.powerschool.gradebook.Main.startUI(Main.java:112)
    at com.pearson.powerschool.gradebook.Main.main(Main.java:382)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.sun.javaws.Launcher.executeApplication(Unknown Source)
    at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
    at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
    at com.sun.javaws.Launcher.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)


STEPS TO REPRODUCE THE PROBLEM :
its a secure server.
all older versions have been removed

JAVA CONSOLE INFORMATION :


SCREENSHOT INFORMATION :
java.lang.ClassNotFoundException:com.pearson.powerschool.system.Startup
    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 com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.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 org.xito.reflect.Reflection.findClass(Reflection.java:87)
    at org.xito.reflect.Reflection.findClass(Reflection.java:74)
    at com.pearson.powerschool.gradebook.ServiceManager.initialize(ServiceManager.java:94)
    at com.pearson.powerschool.gradebook.Main.startUI(Main.java:112)
    at com.pearson.powerschool.gradebook.Main.main(Main.java:382)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.sun.javaws.Launcher.executeApplication(Unknown Source)
    at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
    at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
    at com.sun.javaws.Launcher.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)"

Worked before this latest update!