I've even tried the Rkill software, in case it was some kind of virus or malware which hid itself from detection, but the program hasn't found anything to terminate. Instead of the right click, this time open Avast Anti-Virus 2016 and go to. Behavior Shield keeps turning off automatically upon reboot Hi. Smart Scans, Complete Scans, and a bunch of scans with MalwareBytes too (Threat Scans, Custom Scans with all options enabled, Hypers Scans). So i've been using avast for years, and now currently using Internet Security. How to disable Avast Behavior Shield Open your Avast Antivirus. I've done a lot of different scans between now and the first time I've seen the disabling happen. I've noticed that Avast does the same thing with my mother's laptop (the Behavior Shield thing, I mean, she doesn't have BSODs). I've also been getting BSODs this month (four of them, three were BAD_HEADER_POOL and one was DRIVER_IRQL_NOT_LESS_OR_EQUAL), but I'm not sure the two issues are related in any way. Originally, it would do it only occasionally, but now it's almost every day. 182), but it has been doing that for a few weeks now, even with previous versions. I've got the latest free build, I think: (build. I always turn it back on right away, but it worries me a bit. My Behavior Shield is often turned off when I boot up my computer (I'm on Windows 7), or turns itself off shortly afterwards. Hello everyone, I've got an issue with Avast.