Use a friends computer to get it to run on XP.
Why waste time supporting a 10-year-old operating system that's market share is shrinking all the time and mostly consists of big companies?
Sometimes chat doesn't display your message after enter
it's really bad
Packet loss, unrelated to the OS.
It's forgeted up for windows XP
You don't even describe the problem; you just say "X is horrible, fix it".
Also, the bug tracker should finally work now, at last.