when i clicked "custom scan" in ess,the cpu usage was to 99%,and the ess freezed and then the "egui" quit,but "ekrn" was still in the task manager. and then i start the egui in the startmenu again. Celeron 2.66ghz,256mb ddr,xp home sp2. it was not the first time on my pc. and my friends had this problem on their pc too.