1. Press

Today, you will be prompted when you upgrade tortoisegit and then use SSH to pull or push code from GitHub (you should also be prompted for each new installation):

TortoiseGitPlink Fatal Error：No supported authentication methods available (server sent: publickey)

2. Solution steps

Open the settings of TortoiseGit, click Network, and then change the path of SSH client to git:

by default, TortoiseGitPlink is used for the SSH client of TortoiseGit, which seems to fail to work normally in many cases