Comodo AV hangs at applying computer settings after Install

Comodo AV hangs at “applying computer settings” after Install.

I have uninstalled all norton products, and used Symantec Removal tool.
Cleared all temp files.
Uninstalled and installed 4x
and it still hangs.

BOClean installed fine

system info:
Dell optiplex GX620 smallfactor
P4 3gig
2 gig ram
xp pro sp2
Nvidia GeForce 7300 GS 512