@aieadavid I have the same issue as you, with activation on Windows 11 Pro. And followed all the 'expert' suggestions without success. Also called McAfee and had them completely uninstall my antivirus/firewall, download a fresh TT installation, and retry the installation. Dell can't fix it, McAfee can't fix it, and TT certainly doesn't care to fix it. Which is a shame, because TT had been a reliable product and I'd used it for many years. We were able to install it on my husband's computer (very inconvenient for him) and I'm going to purchase H&R Block for my computer. We'll run them in parallel and if H&R Block works well on my machine then we will part ways with TT for next year's tax season. Having to learn a new tax program bums me out, but so do the countless hours and stress that I've poured into trying to resolve this issue. Hopefully you are well into your taxes on your Windows 10 machine by now, but sadly, later this year Microsoft will stop supporting Windows 10 - hopefully TT steps up it's game in time and makes this right for the 2025 tax year. Best of luck-
