How to fix the “QuickTime is not installed” error?

The program will open QuickTime to play M4A/M4B/M4P files for recording so as to remove the protection. “QuickTime is not installed” error will come up if QuickTime is not installed or installed properly. Please use the way below to fix it.

1. Download the latest version of QuickTime from the link below for reinstallation.
http://www.apple.com/quicktime/download/

2. Close other programs on the computer to ensure the computer is not in heavy task.

If it doesn't work, please contact us with all files in the log folder for analysis.
(1) Right-click the shortcut of the program, and select Properties>Find Target or Open File Location, it will direct to the installation folder of this program.
(2) Find a folder named "log" and send all the files in the folder to me.