Fix git authentication issue
Description of the issue: Any git command that communicates with the remote repository is suddenly failing and you are getting "fatal authentication failed" error. How to fix? In Windows environment: Click Start Type: Credential Manager (On Windows 10, this is under "Start->Settings". Then search for "Credential Manager" Open the app, click on the Windows Credentials tab Locate the credentials that you want to remove/update, they will start with "git:" Click on the credential entry, it will open a details view of the entry. Click Edit or Remove as required and confirm. Try again issue should be gone.