I've tried several versions and only with this latest has it responded, but now it's back to it's old tricks again. I've gone so far as to remove registry entries after uninstallation though some remain unremovable.
Also, with BOINCview I can't seem to see the other three PC's running the client. Port 31416 is correct?
I'm sure it's some Network setting but I'll be covered in fireants if I can think of what.

Sysinfo;

OS Name Microsoft Windows 2000 Professional
Version 5.0.2195 Service Pack 4 Build 2195
OS Manufacturer Microsoft Corporation
System Name -----
System Manufacturer TGB___
System Model AWRDACPI
System Type X86-based PC
Processor x86 Family 6 Model 8 Stepping 1 GenuineIntel ~701 Mhz
BIOS Version Ver 1.64
Windows Directory C:\WINNT
System Directory C:\WINNT\system32
Boot Device \Device\Harddisk0\Partition1
Locale United States
User Name --------
Time Zone Eastern Daylight Time
Total Physical Memory 392,692 KB
Available Physical Memory 75,424 KB
Total Virtual Memory 940,488 KB
Available Virtual Memory 338,704 KB
Page File Space 547,796 KB
Page File C:\pagefile.sys