If I use the software, then the creator expands their business to compete with me, I can never update the software again. Maybe this is software meant to work

If I use the software, then the creator expands their business to compete with me, I can never update the software again. Maybe this is software meant to work over the network and a security vulnerability is discovered. The license says I am stuck running a version with vulnerabilities until I can figure out how to use a different project. That's a deal-breaker.