interesting google.com search
The other two hidden windows of note are - as far as I know
- only present if you have fax services and/or windows
agent installed. Those hidden windows are, respectively,
FaxMonWinClass - HiddenFaxWindow (the registry key on my
system is 3FD224BA-8556-47fb- B260-3E451BAE2793), process
ID; and AgentNotifySinkWindow - AgentControlHiddenWindow,
process ID 66706.
Bringing any of these windows out of their hidden status so
they show results in a snapshot of whatever is on your
screen - very similar to a print screen utility. And all
are connected to various Windows services that seemingly
would it possible for MS or a reasonably sophisticated
hacker to send screen captures in real time if you're
connected to the Net, or to store screen shots for later
transmission. I have no idea how to check on that, short of
monitoring the quantity of data sent and received while
online or using an internal port scanner and packet sniffer*.