Only if you have created one, in which case you would need to log on to that account and ensure any redundant devises are removed. Otherwise it may still believe they are active.

You can have your wife’s installation linked to your account, avastUI > Settings > Account and that will show id A) it is connected to an account and B) which one (email address) it is connected to.

If it is connected to another account, disconnect it and then connect it to your account.