I purchased SAS a few years back to use as a backup to my primary virus programme and didn't use it in a primary role. I would activate to do a second check after scanning with my primary programme. It would pick many ADWARE and it seemed odd at the time. Over the last two years, it has been turning itself on and causing problems with my primary programme. After over 12 months of frustrations I uninstalled it and let the 2018-19 renewal expired. But, when checking my personal bank account I have discovered that SAS had deducted a renewal charge that I didn't authorise. Be aware.