"Please set registry key HKLM \ Software \ Microsoft \ .NETFramework \ InstallRoot to point to the .NET Framework install location" error when start Dicom Viewer

Question

Windows 10 Pro 64bit

Answer 1

Please provide more information to solve this problem

Answer 2

what "more information" do you need?
the registry key is there, as the error message asks.
it points to C:\Windows\Microsoft.NET\Framework64\

I do have .net framework 4.8 installed.
I have windows 10 x64.

Answer 3

Application too old and not work (not copmatible) with Win10 :(