Key customization isn't off the table, but I had decided awhile ago to rebuild a new tool with numerous improvements, better GUI, and fixes, so its more a question of how much time to spend on overhauling this tool as opposed to the new one. But adding to that i've unfortunately been embroiled in other matters so the project has been moving at a glacial pace. What I can look into doing though is adding the options into the F# key menu's, so as to bypass the shortcuts if their otherwise unavailable.
As for virus detection, i've heard that Python files have been getting flagged lately for a variety of reasons. Unfortunately there's not a lot I can do about that short of re-writing it in a new language or recommending an exception. Usually for platforms like windows 10 the in-built windows defender should be sufficient, but I leave that to others discretion.