Error "Case-sensitive drives not supported" or similar install error? (for Mac OS)

When you try to install CrazyTalk Animator 2, you receive the message, "Case-sensitive drives not supported" in the Install Options panel. Or, you receive an error message such as the following: -

File system of setup volume not supported.
This software cannot be installed because the file system of the OS volume is not supported.
Unsupported OS version.
Unsupported file system on system disk.

Please install the product onto a HFS+ or HFSJ non-case-sensitive drive. This limitation applies to both the startup drive as well as the drive onto which the software is installed.