No problems here either, but...
For those who are concerned about your browser being hijacked or what have you, Windows users, use this
http://cybercoyote.org/security/drop.shtml
Dropmyrights.exe will limit your user rights so it is pretty, pretty, pretty, difficult to install / run any applications launched via the browser.
Check out the link and try it out. I personally use it for my browser and email program.