Enable Browser Controls is activated automatically by the sequencer if they are detected. Watch out though. It is important to understand this concept described by Tim Mangan here
http://www.tmurgent.com/TMBlog/?p=2240
Briefly, Tim explains that if IE is launching with a connection group to supply visualized components then
override settings on the registry keys need to be changed to
merge. Otherwise one of the app-v packages will work while the rest do not.