I fixed this issue awhile ago by reinstalling Windows 10 and then installing Quickbooks again. All fixed. I did post somewhere that it had been fixed

I reinstalled Windows 10 but not in a compatibility mode. Instead of installing the Windows Updates first, I installed the Quickbooks Desktop Pro 2020. It opene...

I just want to say that I'm having the exact same issue. Quickbooks 2019 and 2020 work on my old laptop but I purchased a new one recently and installed Quickbo...