Java Applet failed

Jeg aner ikke hvordan jeg skal få min netbank til at fungere igen. Det er temlig vitalt at jeg kan betale regninger igennem denne. Men her er fejlmeldingen jeg får. Desuden bruger jeg Mozilla Firefox som inet klient:

Java Plug-in 1.5.0_04
Using JRE version 1.5.0_04 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\Søren
network: Loading user-defined proxy configuration ...
network: Done.
network: Loading proxy configuration from Netscape Navigator ...
network: Error reading registry file: C:\Documents and Settings\Søren\Application Data\Mozilla\registry.dat
network: Done.
network: Loading browser proxy configuration ...
network: Done.
network: Proxy Configuration: Browser Proxy Configuration

basic: Cache is enabled
basic: Location: C:\Documents and Settings\Søren\Application Data\Sun\Java\Deployment\cache\javapi\v1.0
basic: Maximum size: unlimited
basic: Compression level: 0

----------------------------------------------------
c:  clear console window
f:  finalize objects on finalization queue
g:  garbage collect
h:  display this help message
l:  dump classloader list
m:  print memory usage
o:  trigger logging
p:  reload proxy configuration
q:  hide console
r:  reload policy configuration
s:  dump system and deployment properties
t:  dump thread list
v:  dump thread stack
x:  clear classloader cache
0-5: set trace level to <n>
----------------------------------------------------

basic: Registered modality listener
security: Accessing keys and certificate in Mozilla user profile: null
security: JSS is not configured
basic: Referencing classloader: sun.plugin.ClassLoaderInfo@1c282a1, refcount=1
basic: Added progress listener: sun.plugin.util.GrayBoxPainter@1d6776d
basic: Loading applet ...
basic: Initializing applet ...
basic: Starting applet ...
basic: httpCompression = true
network: Connecting https://www.portalbank.dk/package/sdc/external/applet/SecurityAppletLCSigned.jar with proxy=DIRECT
network: Connecting https://www.portalbank.dk/package/sdc/external/applet/dk/sdc/securityapplet/applets/logon/LogonApplet.class with proxy=DIRECT
network: Connecting https://www.portalbank.dk/package/sdc/external/applet/dk/sdc/securityapplet/applets/logon/LogonApplet/class.class with proxy=DIRECT
load: class dk.sdc.securityapplet.applets.logon.LogonApplet.class not found.
java.lang.ClassNotFoundException: dk.sdc.securityapplet.applets.logon.LogonApplet.class
    at sun.applet.AppletClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.applet.AppletClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.applet.AppletClassLoader.loadCode(Unknown Source)
    at sun.applet.AppletPanel.createApplet(Unknown Source)
    at sun.plugin.AppletViewer.createApplet(Unknown Source)
    at sun.applet.AppletPanel.runLoader(Unknown Source)
    at sun.applet.AppletPanel.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed.
    at sun.applet.AppletClassLoader.getBytes(Unknown Source)
    at sun.applet.AppletClassLoader.access$100(Unknown Source)
    at sun.applet.AppletClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    ... 10 more
basic: Exception: java.lang.ClassNotFoundException: dk.sdc.securityapplet.applets.logon.LogonApplet.class
java.lang.ClassNotFoundException: dk.sdc.securityapplet.applets.logon.LogonApplet.class
    at sun.applet.AppletClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.applet.AppletClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.applet.AppletClassLoader.loadCode(Unknown Source)
    at sun.applet.AppletPanel.createApplet(Unknown Source)
    at sun.plugin.AppletViewer.createApplet(Unknown Source)
    at sun.applet.AppletPanel.runLoader(Unknown Source)
    at sun.applet.AppletPanel.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed.
    at sun.applet.AppletClassLoader.getBytes(Unknown Source)
    at sun.applet.AppletClassLoader.access$100(Unknown Source)
    at sun.applet.AppletClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    ... 10 more
basic: Modality pushed
basic: Modality popped

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