another update. It appears that it was for the Virtual Private Network issue.
As I'm constantly connected to the company, I was getting sick and tired of the constant connection drops and since the aforementioned "update", I've had more than 8 hours of VPPN uptime without a single drop.
I did log back into the box eventually and the BTAgent still isn't around. but I do note that there is still a (be warned geeky talk) POSIX socket open for BT... Not quite sure what it is till I get around to pulling it apart and having a look at it.