How to adjust Mac settings so that Impro-Visor installer works

Starting with OS X Mountain Lion, Apple has changed the default security settings, which may not allow the Impro-Visor installer to do its job.

Please follow the instructions below to adjust your settings to allow the Impro-Visor installer to run.
  1. Go to System Preferences->Personal->Security & Privacy.
  2. Launch the Secuity and Privacy applet.
  3. Click on the General tab to highlight it.
  4. Click on the lock icon to allow changes.
  5. Under the heading "Allow applications downloaded from:" click on the Anywhere radio button.
  6. Launch the downloaded installer.
For further details: