pcAnywhere Settings I Hope are Possible

I found this thread that makes me think what I want to do is not possible http://www.symantec.com/connect/forums/pcanywhere-background-when-taking-control

What I hope to do and am wondering if it is possible: when connecting or disconnecting, there is no pop up baloon alerting the user I have connected or disconnected.  I tried hiding the host tray icon which does vanish, but when I connected, it appears alerting the user.

Is it possible to not change the background (or wallpaper) when connecting?  I tried some registry entries that did not do what I wanted, but any advice is appreciated. 

pcAnywhere agent plug-in version: 12.6.8096

Thanks.