Problems with LMS

HI Folks

Woke up this morning to find LMS on my Radios very sluggish.

Also when I went to look online at 'Server Settings', under 'Plugins' I saw this line of error messages that I've never seen before

Bad repository http://www.mysqueezebox.com/public/plugins/logitech.xml - Couldn't resolve IP address for: www.mysqueezebox.com
Bad repository http://www.mysqueezebox.com/public/plugins/other.xml - Couldn't resolve IP address for: www.mysqueezebox.com
Bad repository http://triodeplugins.googlecode.com/...k/testrepo.xml - Couldn't resolve IP address for: triodeplugins.googlecode.com
Bad repository http://repository.ickstream.com/sque...ry-windows.xml - Couldn't resolve IP address for: repository.ickstream.com
Bad repository http://www.mysqueezebox.com/public/p...repository.xml - Couldn't resolve IP address for: www.mysqueezebox.com

I'm fairly new to all this, so is there anything I need to do/worry about?

Thanks

Steve