Describes the cause and action for error messages.
Error Message(English)：
failed to clone the repository
Libgit2 : SSH : Unable to exchange encryption keys
https://stackoverflow.com/questions/50241181/libgit2-ssh-unable-to-exchange-encryption-keys
Failed to clone repository on Windows 8
https://stackoverflow.com/questions/16129743/failed-to-clone-repository-on-windows-8
Github failed to clone repository on windows 7 application
https://stackoverflow.com/questions/17618890/github-failed-to-clone-repository-on-windows-7-applicat・・・
Github: failed to clone a repository - Stack Overflow
https://stackoverflow.com/questions/37715801/github-failed-to-clone-a-repository?rq=1
Unable to clone any project. ・ Issue #772 ・ github/VisualStudio ・ GitHub
https://github.com/github/VisualStudio/issues/772
GitHub Desktop for Windows - Failed to clone the repository 'bunto ...
https://github.com/bunto/bunto-last-modified-at/issues/1
Failed to clone the repository in GitHub for Windows - briantist.com
https://www.briantist.com/errors/failed-to-clone-the-repository-github-for-windows/
Git - Clone not working at all - Developer Community
https://developercommunity.visualstudio.com/content/problem/25037/git-clone-not-working-at-all.html
git clone failure after upgrade to 15.6.1 - Developer Community
https://developercommunity.visualstudio.com/content/problem/212225/git-clone-failure-after-upgrade-t・・・