Please try the following steps if you receive the error "Font registration failed" in TypeSquare Desktop Manager on macOS 10.13:
1.Go to Apple menu > System Preferences > Security & Privacy
2.Go to General tab on the Security & Privacy window
3.Unlock if you cannot make changes
4.Select "App Store and identified developers" under "Allow apps downloaded from:"
5.Click "Allow" button next to "System software from developer "Morisawa Inc." was blocked from loading" message
- If you were using TypeSquare Desktop Manager on macOS 10.12 or earlier and have upgraded your OS to 10.13, you can use TypeSquare Desktop Manager without the error.