resolves assemblies that aren't found

Resolver.cs

/// <summary>
/// Resolves the timberline assembly.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <returns></returns>
private static Assembly ResolveTimberlineAssembly(string fileName)
{
    var sharedDirectoryKey = Registry.LocalMachine.GetKey("SOFTWARE").GetKey("Timberline").GetKey("General");

    if (sharedDirectoryKey != null)
    {
        var sharedDirectory = sharedDirectoryKey.GetValue("Shared Directory") as string;

        return TryLoadAssembly(Path.Combine(sharedDirectory, fileName));
    }

    return null;
}

/// <summary>
/// Attempts to load an assembly given a file path
/// </summary>
/// <param name="path">The path.</param>
/// <returns>The assembly, if found at the specified path, null if not found</returns>
private static Assembly TryLoadAssembly(string path)
{
    if (File.Exists(path))
    {
        return Assembly.LoadFrom(path);
    }

    return null;
}