All in System Maintenance

I first noticed the problem about a week ago. My iTunes streaming radio channels stopped working. I listen to various channels most of the day in my office when I'm not on the phone, usually a mix of electronica, ambient, classical, jazz, and lounge music. But every time a station started playing, it immediately stopped and a "rebuffering" message appeared as the audio stream reloaded.
One of the regular maintenance routines for my business laptop is running Webroot’s “Spy Sweeper” to detect and remove various spyware applications. Spy Sweeper is updated frequently, runs in the background, asks me about any new application being installed, and issues regular alerts. I supplement it by running Norton AntiVirus for viruses and CCleaner for Windows junk.Spy Sweeper recently made an announcement about “rootkits.”