NUnit 2.5.8, lots of nunit-agent.exe

Question

Each time I run a test in nunit I get another nunit-agent, which does not exit the test completes, or when the tests are reloaded in nunit or when I restart nunit. This e

Answer 1

I fixed this problem by upgrading to version 2.5.9 (development build). But this has other problems - so Sean's answer is better.