Access Is Denied to log file

Have an issue with this error message:

LibGit2Sharp.LibGit2SharpException: Could not open 'c:/../.git/logs/HEAD' for writing: Access is denied.

   at LibGit2Sharp.Core.Ensure.HandleError(Int32 result) in c:\projects\libgit2sharp\LibGit2Sharp\Core\Ensure.cs:line 160
   at LibGit2Sharp.ReferenceCollection.MoveHeadTarget[T](T target) in c:\projects\libgit2sharp\LibGit2Sharp\ReferenceCollection.cs:line 631
   at LibGit2Sharp.Repository.Checkout(Branch branch, CheckoutOptions options) in c:\projects\libgit2sharp\LibGit2Sharp\Repository.cs:line 911

• We tried restarting process, and restarting the machine, this didn't immediately fix issue.
• It was only after deleting the entire folder, and making a new checkout that we could stop the error.
• We were able to use git command line and source tree on the folder with no problems..

Comience revisando la ruta que falla a través de Core/Ensure.cs, ReferenceCollection.cs y Repository.cs; después, compare el comportamiento de checkout informado con Git desde la línea de comandos y SourceTree. Se considera terminado cuando se haya identificado una causa reproducible de la escritura denegada en .git/logs/HEAD y se haya documentado o validado una solución para ese escenario.