these are the lines in the err.txt doc that mention "error." I have no earthly idea what they mean. I'm going to try a good old-fashioned restart and cross my fingers.

Execute Custom Code
class com.limegroup.install.SettingsTranslator.install() Unexpected Fatal Error:
java.lang.NoClassDefFoundError: com/sun/java/util/collections/Set
at com.limegroup.install.SettingsTranslator.install(S ettingsTranslator.java:31)
at com.zerog.ia.installer.actions.CustomAction.instal lSelf(Unknown Source)
at ZeroGt7.run(Unknown Source)