I've always found AV programs to be slow, unresponsive, laggy, [pick-your-adjective] etc. I suppose a lot of that is caused by the dumb things they do (e.g. ho

I've always found AV programs to be slow, unresponsive, laggy, [pick-your-adjective] etc. I suppose a lot of that is caused by the dumb things they do (e.g. hook into the OS and synchronously scan every byte written to disk, or packet received) rather than what UI engine they use.