# AudioPlugin Host & plugin detection

**URL:** <https://forum.juce.com/t/audioplugin-host-plugin-detection/33952>\
**Category:** Audio Plugins\
**Created:** [June 17, 2019, 12:30pm UTC](https://forum.juce.com/t/audioplugin-host-plugin-detection/33952 "2019-06-17T12:30:03Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![daniel](https://sea2.discourse-cdn.com/flex026/user_avatar/forum.juce.com/daniel/32/790_2.png) [@daniel](https://forum.juce.com/u/daniel)\
**Post date:** [June 9, 2021, 10:36am UTC](https://forum.juce.com/t/audioplugin-host-plugin-detection/33952/18 "2021-06-09T10:36:53Z")

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Now that you mention it, AU needs either a restart or a gentle nudge to find new AUs:  
`killall -9 AudioComponentRegistrar`

> [@Installing new Audio Units requires restart in High Sierra](https://forum.juce.com/t/installing-new-audio-units-requires-restart-in-high-sierra/26753/45):
>
> killall -9 AudioComponentRegistrar

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