Mac OS 

This error message may show when attempting to run the installer package for mccPILOTLOG.  The issue is caused by your Mac's "launch services database".  You can rectify this issue as follows :

Do the following steps 1) thru 7)  for MonoFramework Xamarin.pkg and again for Quartz.dmg

1) Select the MonoFramework Xamarin Installer package, located on the desktop or in the Download folder

2) Go to File > Get Info

3) In the "Open with" section, verify that the proper program is showing :  

  • For "MonoFramework...pkg"  -  it should say "Installer"
  • For "Quartz....dmg"  -  it should say "DiskImageMounter"

4) If the "Open with" program is not properly configured, pull down the "Open with" section and click on "Other..."

5) In the new window that opens, navigate to > System (at the top level of your boot volume) > Library > CoreServices

6) Pick the appropriate program as described in Step 3) and continue with "Add" :

7) Press "Change All"

Now, repeat the same steps for Quartz.dmg