Hi @bilbo909 and @ian.2.lorimer,
Welcome to Waves Forum,
First, please disable any of the following third-party security applications and add-ons you may have installed:
AdAware, AhnLab V3, Comodo, F-Secure, Hyper-V, Little Snitch, LuLu, MacKeeper, MagicPrefs, Nero Video Downloader Ultimate Pro, Premier Opinion, Radio Silence, SecureIT, Security Suite, STOPzilla antivirus, Wacom Controllers, Witch, Ziggo Safe Online
Once disabled, drag Waves Central from the Applications folder to the trash, then reinstall it.
*Make sure to ‘Allow’ central to make changes when prompt in the installation process.
*Also please make sure that in the System Preferences > Security and Privacy > Privacy,
Waves Central has Full Disk Access permission,
If you still can’t launch Wave Central, please try from a new Administrator account.
(Plugins installed from any account, will reflect in all the accounts)
If you guys still can’t manage to launch Central and install with it, I suggest contacting our Tech Support team.