My overall usage drops precipitouslyThere's more to Webroot than just two processes which can be found with Task Manager; there is more to Webroot and memory usage.
On a laptopUnfortunate name you have there then.
Don't you also use Linux?
I forgot about PandaIf you are looking for a light AV, I must say that Panda free without the web protection always weights in under 10MB (mem usage) on my computers.
They have come a long way the last year in that regard.