github "Authentication failed" code example
Example 1: authentication failed for git
WIN+S (windows search) > Credential Manager > Credential Manager > Edit
--OR--
WIN+R (windows run) > rundll32.exe keymgr.dll, KRShowKeyMgr > Edit
Example 2: authentication failed github
Authentication failed.
You may not have permission to access the repository
Stepa to fix issue:
1.Remove repo from GitHub Desktop
2.Logout from your github account [File > Options]
3.File > Add Local Repository
4.Repository > Repository Settings and change to https URL [Important tweek]
5.It started working back for me.