Hi there!
I'd suggest you to log out and then back in. If it doesn't help, restart your router and connect your Spotify again.
It's also worth checking if your device’s operating system is up-to-date.
Let me know how it goes!
You may not have the privileges to open the app, the app may be damaged, or it may not be installed. If you aren't an administrator of your Mac, the administrator may be preventing you from using the app. Contact the administrator of your Mac.
Regards,
Will
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