javax.crypto.KeyGenerator

latest version of java installed.
even downloaded installer, and run as Admin.
all I receive is the below error.

Wuala closed because of an unexpected error.
If you want us to know about this problem, please send this text to bug_high_prio@wua.la,
or discuss it on http://forum.wua.la .

Date: Sat Sep 13 17:51:48 GMT-05:00 2008
OS: Windows 2000 1.6.0_07 Sun Microsystems Inc.
Memory: 266403840 max 50844288 free 52035584 total
Local Host: Home-16/192.168.101.116
Loader version: 2 (July 18, 2008)

java.lang.RuntimeException: java.lang.NoClassDefFoundError: javax/crypto/KeyGenerator
at com.wuala.loader2.loader.domain.LoaderServerSession.checkException(LoaderServerSession.java:99)
at com.wuala.loader2.loader.domain.LoaderServerSession.waitForVersionStamp(LoaderServerSession.java:91)
at com.wuala.loader2.loader.domain.Updater.<init>(Updater.java:41)
at com.wuala.loader2.loader.remote.RemoteCompilation.<init>(RemoteCompilation.java:30)
at com.wuala.loader2.Loader2.createItemSource(Loader2.java:86)
at com.wuala.loader2.Loader2.startInstance(Loader2.java:54)
at com.wuala.loader2.Loader2.start(Loader2.java:44)
at com.wuala.loader2.Loader2.main(Loader2.java:106)
Caused by: java.lang.NoClassDefFoundError: javax/crypto/KeyGenerator
at com.wuala.loader2.crypto.SymmetricKey2.<init>(SymmetricKey2.java:16)
at com.wuala.loader2.crypto.SymmetricKey.createNew(SymmetricKey.java:173)
at com.wuala.loader2.copied.rmi.ParallelChannel.<init>(ParallelChannel.java:45)
at com.wuala.loader2.copied.rmi.ChannelManager.createChannel(ChannelManager.java:61)
at com.wuala.loader2.copied.rmi.ChannelManager.openChannel(ChannelManager.java:37)
at com.wuala.loader2.copied.client.Loader2Server.openConnection(Loader2Server.java:64)
at com.wuala.loader2.copied.rmi.PingPongClient.sendAndReceive(PingPongClient.java:105)
at com.wuala.loader2.copied.rmi.PingPongClient.run(PingPongClient.java:89)
Caused by: java.lang.ClassNotFoundException: javax.crypto.KeyGenerator
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.ClassLoader.loadClassInternal(Unknown Source)
... 8 more

--------------------------------------------

java.lang.NoClassDefFoundError: javax/crypto/KeyGenerator
at com.wuala.loader2.crypto.SymmetricKey2.<init>(SymmetricKey2.java:16)
at com.wuala.loader2.crypto.SymmetricKey.createNew(SymmetricKey.java:173)
at com.wuala.loader2.copied.rmi.ParallelChannel.<init>(ParallelChannel.java:45)
at com.wuala.loader2.copied.rmi.ChannelManager.createChannel(ChannelManager.java:61)
at com.wuala.loader2.copied.rmi.ChannelManager.openChannel(ChannelManager.java:37)
at com.wuala.loader2.copied.client.Loader2Server.openConnection(Loader2Server.java:64)
at com.wuala.loader2.copied.rmi.PingPongClient.sendAndReceive(PingPongClient.java:105)
at com.wuala.loader2.copied.rmi.PingPongClient.run(PingPongClient.java:89)
Caused by: java.lang.ClassNotFoundException: javax.crypto.KeyGenerator
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.ClassLoader.loadClassInternal(Unknown Source)
... 8 more

--------------------------------------------

java.lang.ClassNotFoundException: javax.crypto.KeyGenerator
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.ClassLoader.loadClassInternal(Unknown Source)
at com.wuala.loader2.crypto.SymmetricKey2.<init>(SymmetricKey2.java:16)
at com.wuala.loader2.crypto.SymmetricKey.createNew(SymmetricKey.java:173)
at com.wuala.loader2.copied.rmi.ParallelChannel.<init>(ParallelChannel.java:45)
at com.wuala.loader2.copied.rmi.ChannelManager.createChannel(ChannelManager.java:61)
at com.wuala.loader2.copied.rmi.ChannelManager.openChannel(ChannelManager.java:37)
at com.wuala.loader2.copied.client.Loader2Server.openConnection(Loader2Server.java:64)
at com.wuala.loader2.copied.rmi.PingPongClient.sendAndReceive(PingPongClient.java:105)
at com.wuala.loader2.copied.rmi.PingPongClient.run(PingPongClient.java:89)

already did searches on forum, not finding anything clearly defined.
any assistance would be greatly appreciated.
CAH
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