Presentation Prompter saves license info with its settings. If anything prevents settings from saving (or removes the settings file), the app can appear unlicensed.
macOS Guest User accounts delete files on Logout (including app settings). Thus, Presentation Prompter (and other apps) will lose their settings and licensing after a Guest User logs out.
To use Presentation Prompter in a shared environment, we suggest one of the following:
- License it for every user account on a specific Mac.
- Make a specific non-Guest user account on a specific Mac and license it under that user account. Your group can use this one account.
Both solutions opt for the affordance of Presentation Prompter being licensed to a specific Mac with multiple users.
If you run Presentation Prompter from a fixed disk image or a locked volume that prohibits saving of settings files, you may run into the same issue. Some Macs administered under Mobile Device Management (MDM) may have settings with similar restrictions. The solution in those cases is to first license the app (so it saves its license data into the settings file) and then lock or freeze the volume.
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