A K2019 license will activate versions K2018, K2020, K2021 & 2022 (rule -1 / +3).
Do you use system restore or any image backup that uses it? If so, you might want to check if KAV remover broke system restore.Jesus, installed latest Kaspersky Cloud Free and it BSOD'ed my system after installation, after uninstallation of VPN, lockedup during uninstall, what the hell. I had to forcibly remove it with kavremove. Oh and it trashed my SSD so chkdsk activated and fixed some stuff.
Do you use system restore or any image backup that uses it? If so, you might want to check if KAV remover broke system restore.
It sounds like you already know what to do. But just in case, here's the blog that helped me.Oh for god sake, is Kaspersky still screwing System Restore? I'm now getting error when opening System Restore panel. I was fixing this ages ago, but can't remember if I fixed it or not...