The repeater log shows:
accept() connection
Writing protocol version erro
InstantSupport.exe connects to my repeater and give me the six digit number. I type the six digit number in my viewer. It tries to connect and I see this window:

The repeater log shows:
Viewer added to list 287650
ID added 287650
After several minutes of waiting, I get this dialog:

The repeater log shows:
recv -1
Remove viewer 287650 0
Viewer removed from list 287650
Any ideas on what I'm doing wrong?