Os = XP SP3 with all updates current.
Browsers IE 7 & FF 3.5
memory 2 gigabytes
Disk size 160 gig only using about 20% of capacity.
Disk fragmentation about zero (using Diskeeper).
I installed comodo v 3.10.102194.530 update and when now I run either of these browsers the browser process will not remove itself from memory. If I run the browser again I add another process. Also each browser uses almost all the resources on my computer.
To fix this, I have to open Task Manager and end each process manually.
This only started happening after I installed the referenced update.
I have restored my disk to a good version (Acronis image) thereby uninstalling the Comodo update and everything works fine. The only variable is introduced with the update and it always causes the same problem