Mac Sierra 10.12 Disable App Translocation
This applies to Mac OS 10.12 and any MXWendler version
Problem
You start Stage Designer, and a warning appears that a certain folder could not be created due to a read-only filesystem path.
Background
Under OSX Sierra, Gatekeeper dislocates unsigned applications to random paths on start.
Solution
1. Disable Gatekeeper
2. Open Terminal as Administrator
3. Type sudo spctl --master-disable
4. Reinstall Stage Designer
5. This may affect your security settings
Long Term Solution
Switch from OSX to a real operating system
For more information, please see e.g. https://www.tekrevue.com/tip/gatekeeper-macos-sierra/