error message

[rwright363]

1: class java.io.StreamCorruptedException: invalid stream header: 00000000
java.io.ObjectInputStream.readStreamHeader(Unknown Source)
java.io.ObjectInputStream.<init>(Unknown Source)
com.zygor.updater.util.FileUtil.serializeIn(Unknow n Source)
com.zygor.updater.mvc.game.model.DownloadsModel.de Serialize(Unknown Source)
com.zygor.updater.mvc.game.model.DownloadsModel.<i nit>(Unknown Source)
com.zygor.updater.mvc.client.ClientModel.loadDownl oads(Unknown Source)
com.zygor.updater.mvc.client.ClientModel.init(Unkn own Source)
com.zygor.updater.mvc.client.ClientController.<ini t>(Unknown Source)
com.zygor.updater.Boot.launchClient(Unknown Source)
com.zygor.updater.Boot.main(Unknown Source)

[Zygor Dev 6]

1: class java.io.StreamCorruptedException: invalid stream header: 00000000
java.io.ObjectInputStream.readStreamHeader(Unknown Source)
java.io.ObjectInputStream.<init>(Unknown Source)
com.zygor.updater.util.FileUtil.serializeIn(Unknow n Source)
com.zygor.updater.mvc.game.model.DownloadsModel.de Serialize(Unknown Source)
com.zygor.updater.mvc.game.model.DownloadsModel.<i nit>(Unknown Source)
com.zygor.updater.mvc.client.ClientModel.loadDownl oads(Unknown Source)
com.zygor.updater.mvc.client.ClientModel.init(Unkn own Source)
com.zygor.updater.mvc.client.ClientController.<ini t>(Unknown Source)
com.zygor.updater.Boot.launchClient(Unknown Source)
com.zygor.updater.Boot.main(Unknown Source)

Does this occur every time you launch the client? Another user had this error but said it resolved itself when they loaded the client up a second time.