System: Win7(RTM)
ZA Version: ZA Pro 91_008_000
use Win7 PPPoE to connect Internet

1. {ping localhost} or {ping} will be lost packet very often.
not lost all packets, but most...
but {ping ::1} will not lost packet!!

2. and {ping other Lan IP}
the first {ping time} will be very high. (like 2x~8x ms) (usually time is <1ms or 1ms)
but start the second {ping time} will be correct. (<1ms or 1ms)
(no lost packet)

3. the same problem with {ping Internet IP}
first time be high, start the second will be correct.
(no lost packet)

when I'm no install ZApro, no any problems with ping..