Freezes and goes to grey screen during search/download

[newbie2]

I am a first-time user of Limewire. I have been impressed with the program so far; however, I am experiencing some problems. I installed LW 4.10.3 and updated to Java 1.5.0.60. Whenever I attempt to perform a search or download, the program freezes and locks up. After awhile, the screen turns to grey and will eventually reload. The search or download will complete itself after multiple cycles (freeze, grey screen, reload). Sometimes I get disconnected or the program becomes “not responding” during the cycle as well. I have searched the forums for an answer to this issue without success. I have double checked my firewall configurations, and they are correct.

Any suggestions to fix this problem would be much appreciated. I’m not sure if this issue relates to LW program, Java version, connection (firewall), video card, or system compatibility.

Here is what I have:
Windows XP SP2
64 MB RAM
4 GB free space
ATI 3D Rage PRO
LAN (Comcast Cable modem- Toshiba PCX 1100)
Limewire 4.10.3
Java 1.5.0.60
Also run Symantac Antivirus 9.0.310 (no added firewall) and
CCleaner 1.26.218
I also tried the test (as posted on other forums) and “Your test worked!”

I know I have an outdated computer, but all my other programs run fine. Thanks so much.