Logged In: YES 
user_id=215159

A quick test with Python 2.3 -i shows the following, so I'm 
guessing if at first WinXP claims no memory, try try again.  
Thanks for the quick response Tim. We'll try not to ask WinXP 
for 3 Mil. of memory unless we really need it.

python -i hostMemErr.py
MemoryError, hit return to exit.
Traceback (most recent call last):
  File "hostMemErr.py", line 117, in ?
    main()
  File "hostMemErr.py", line 108, in main
    data = p.dataRecv(sz)
  File "hostMemErr.py", line 63, in dataRecv
    tmp = self.dataSocket.recv (nleft)
MemoryError
>>> s= 'z' * 3000000
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
MemoryError
>>> s= 'z' * 3000000
>>> s= 'z' * 3000000
>>> s= 'z' * 3000000
>>> s= 'z' * 30000000
>>> ^Z