Global Mapper v24.1

Buffer function not creating correct shape


I've got version 18.2. If I try to use the buffer tool to buffer from a polygon, some of the vertices of the created feature don't seem to be the correct distance from the polygon I buffered from:

I am wondering if there is a patch I can download? Or do I just need to upgrade to a new version? Other people in my office have the same version, and they are not seeing this issue.