tortoisegit url protocol binding problem with github desktop

What steps will reproduce the problem?

1. open github website
2. use clone or download - open in desktop

What is the expected output? What do you see instead?

should be githubdesktop popup but the tortoisegit popup

detailed in https://stackoverflow.com/questions/52747051/github-clone-to-desktop-uses-tortoisegit-instead-of-github-desktop/54338274#54338274

I tried to reinstall and uncheck the protocal binding . but not working

What version of TortoiseGit and Git are you using? On what operating system?

tortoisegit 2.8 on windows 10 1903

Please provide any additional information below.

the same problem with oauth2 login flow in github desktop