sts. This was done either by
editing the nunit-console.exe.config file or by setting the COMPLUS_Version
environment variable before running the program.

<p>Under NUnit 2.5 and later versions, you may still use either of these approaches,
but a simpler method is available.

<p>The <b>/framework</b> option allows you to specify the version of the runtime
    to be used in executing tests. If that version specified is different from the
    one being used by NUnit, the tests are run in a separate process. Fo