Cubase 13: random CPU spikes still here, is maddening

Yes you can do it like that :
Go to Start > Settings > Update & Security > Windows Security > Virus & threat protection. Under Virus & threat protection settings, select Manage settings, and then under Exclusions, select Add or remove exclusions. Select Add an exclusion, and then select from files, folders

For Windows 10 :

Or Win 11 :

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