Unload All Modules sometimes doesn't work with LabVIEW

TestStand's File >> Unload All Modules (and its RunState.Engine.UnloadAllModules() function) sometimes works and sometimes doesn't (with LabVIEW). When it doesn't, I have to quit LabVIEW to make TestStand unload LabVIEW VIs, otherwise I can't edit them.
Is there an "Unload All Modules" command that works all the time?

Hm, i assume that you have callbacks defined which do call those modules. Possible callbacks to look first are: SequenceFileLoad/Unload, FrontEndCallback.
Another possible reason is that there are components running in the LV RTE (runtime engine) calling into the VIs you try to debug/modify in the development environment.
Can you pinpoint the "lock" to specific sequences/modules? Do they lock only after specific sequences/modules have been executed?
Norbert
CEO: What exactly is stopping us from doing this?
Expert: Geometry
Marketing Manager: Just ignore it.

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