title: Github for windows 8 failing to clone repo
body: <p>Tried reinstalling and can't seem to do it.
  Here is the log message:</p>
  
  <pre><code>2013-09-13 10:52:39.0807|INFO|thread:1|GitHub.Models.RepositoryModel|Cloning repo  https://github.com/MattMcFarland/hvac-hacks.git
  2013-09-13 10:52:39.0807|INFO|thread:1|GitHub.Helpers.GitRemote|Cloning 'https://github.com/MattMcFarland/hvac-hacks.git' to 'hvac-hacks' in directory 'D:\Dropbox\GDT\My Documents\GitHub
  2013-09-13 10:52:39.0837|INFO|thread:1|GitHub.PortableGit.Helpers.GitEnvironment|Process set up with this SSH Agent info: 8760:/tmp/ssh-GqkyFs8464/agent.8464
  2013-09-13 10:52:39.0837|INFO|thread:1|GitHub.PortableGit.Helpers.GitEnvironment|PATH is C:\Users\conta_000\AppData\Local\GitHub\PortableGit_015aa71ef18c047ce8509ffb2f9e4bb0e3e73f13\cmd;C:\Users\conta_000\AppData\Local\GitHub\PortableGit_015aa71ef18c047ce8509ffb2f9e4bb0e3e73f13\bin;C:\Users\conta_000\AppData\Local\Apps\2.0\RYZ6Q7YO.4O9\74Q512X5.JXP\gith..tion_317444273a93ac29_0001.0000_0b5f24f8a60558d4;C:\Windows\Microsoft.NET\Framework\v4.0.30319;C:\Windows\System32
  2013-09-13 10:52:39.0837|INFO|thread:1|GitHub.IO.ObservableProcess|Starting: Process - Id: '(unknown)', Name: '(unknown)', FileName: 'C:\Users\conta_000\AppData\Local\GitHub\PortableGit_015aa71ef18c047ce8509ffb2f9e4bb0e3e73f13\bin\git.exe', Args: 'clone --progress --recursive  --  "https://github.com/MattMcFarland/hvac-hacks.git" "hvac-hacks" '
  2013-09-13 10:52:39.1017|WARN|thread:1|GitHub.Extensions.StandardUserErrors|Showing user error Please check your internet connection.
      GitHub.IO.ProcessException: fatal: could not create work tree dir 'hvac-hacks'.: Permission denied
  2013-09-13 10:52:41.7220|INFO|thread:1|GitHub.Extensions.ReactiveScreen|Deactivating GitHub.ViewModels.ShellViewModel.
  2013-09-13 10:52:41.7220|INFO|thread:1|GitHub.Extensions.ReactiveScreen|Deactivating GitHub.ViewModels.DashboardViewModel.
  2013-09-13 10:52:41.7220|INFO|thread:1|GitHub.Extensions.ReactiveScreen|Closed GitHub.ViewModels.DashboardViewModel.
  </code></pre>