I see this is a collection of issues.
For visibility, I will post the thread of a fellow user as well as mine here regarding a similar issue, where Norton or nllToolsSvc.exe is causing a window to loose focus:
(both threads are also linked with each other for better visibility)
@Puzzler You mentioned in previous posts something about rolling back, could you please provide me with some detailed information how this is done? My subscription is ending in 2 days and I am still hesitant/against renewing, as this issue can be pretty impactful.