pls. help me about this Limewire 4.4.4
 

Here's my problem: Whenvever I opened the dialogue box for limewire 4.4.4 (w/c I 've just updated from 4.2.6 recently) is that I try to see and check if all the files that I've downloaded has been going on smoothly and that my connection is still there and really everything is connecting and downloading and okay, but where the problem lies is this: my system, I mean when I am on limewire dialogue box my system suddenly reboot itself like you know when you restart to reboot your system, it goes like that like it will restart from the beginning itself, the open limewire does not stay that long and my system reboot itself or windows XP pro restarts again and this is only happening on limewire even the updated one which I have done recently. I am also running shareaza but it does not do that.
operating system:
AMD Athlon(tm)XP 2500+
1.85 GHz, 512 MB of RAM
Microsoft Windows XP Professional
version 2002, service pack 2,
Display adapter is NVIDIA GeForce4 MX4000
IDE ATA/ATAPI controllers is NVIDIA nForce2 ATA Controller (v2.6)
Pls. kindly help me out immediately I don't know what else to do!