A profiler designed for an older version of the CLR was loaded because of the environment variable setting below. Older profilers ...

A profiler designed for an older version of the CLR was loaded because of the environment variable setting below.  Older profilers will continue to work in many cases, but if you encounter problems, please consider upgrading the profiler or changing the setting of the environment variable.  Please consult the documentation for information on how to use this environment variable, and the risks associated with it.  Environment variable setting: %s=%s.  Profiler CLSID: '%s'.