title: Unable to git-push since upgrading to SourceTree 1.6.24.0
body: <p>I keep getting the following error since upgrading to Atlassian SourceTree version 1.6.24.0 on Windows:</p>
  
  <pre><code>fatal: Authentication failed for 'https://github.com/********/********/'
  </code></pre>
  
  <p>Anyone else having these problems? Any solution?</p>