- You launched the installation package (tmsminstall.mpkg.zip) using an archiving tool that is not built-in on the Mac computer.
- You used an unsupported command (such as "unzip") issued from a command line tool to launch the installer.
- Open the Terminal utility.
- Change to the directory where tmsminstall.mpkg is located.
- Type the following:
$ chmod +x
- Retry the installation.