I have that message :

I don’t find the controler.
Best answer by Ken_Griffiths
View originalRemove (uninstall) and reinstall the Sonos App with an account that has local administrative privileges and then all should work fine. On reinstall, connect the Sonos App back to the existing Sonos system on the local ‘private’ (not ‘public’) network connection. See this link for further information too:
https://support.sonos.com/en-us/article/configure-windows-10-network-and-security-settings
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