Unauthorized third-party apps that scrape the web site should be expected to break when the web site updates. In the past, the developer of this app has published a new version after each update of the geocaching.com site.
Yeah it was my bad I jumped the gun. I checked out the developers web page he expected it a few days ago when the update was announced. Getting a Garmin for Christmas I don't plan on using c:geo afterwards. It's an awesome program, but the battery life is horrible.