[email protected]: Permission denied (publickey). ubuntu code example
Example: bitbucket permission denied (publickey). fatal: could not read from remote repository.
It looks like a permissions issue - not a Windows 7 issue.
Your ssh key is not authorised - Permission denied (publickey).
You need to create a public ssh key and ask the administrator of the Git repository to add the ssh public key
Information on how to do this: Saving ssh key fails