Unexpected Error when installing the latest update SP 2.8

Hi
I am trying to install the latest update unfortunately I get the following error. We are currently running Version 5.3 Build 5311.

java.lang.reflect.InvocationTargetException
    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.adventnet.tools.update.installer.Unzipper.contextPreInstallation(Unzipper.java:319)
    at com.adventnet.tools.update.installer.Unzipper.invokePreInstallationClasses(Unzipper.java:138)
    at com.adventnet.tools.update.installer.ApplyPatch.installPatch(ApplyPatch.java:273)
    at com.adventnet.tools.update.installer.ApplyPatch.run(ApplyPatch.java:223)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/io/IOUtils
    at com.adventnet.persistence.ADMPDefaultPreProcessor.appendLogoSizeRestriction(ADMPDefaultPreProcessor.java:224)
    at com.adventnet.persistence.ADMPDefaultPreProcessor.installPatch(ADMPDefaultPreProcessor.java:42)
    at com.adventnet.persistence.DefaultPreProcessor.install(DefaultPreProcessor.java:139)
    ... 9 more

Any help would be much appreciated.

Cheers
Dimi