private void RevokeDirectoryPermissionForAccount()
        {
            Trace.Entering();
            string groupName = _windowsServiceHelper.GetUniqueBuildGroupName();

            Trace.Info(StringUtil.Format("Calculated unique group name {0}", groupName));

            // remove the group from the work folder
            string workFolder = IOUtil.GetWorkPath(HostContext);

            if (Directory.Exists(workFolder))
            {
                Trace.Info(StringUtil.Format($"Remove the group {groupName} for the folder {workFolder}."));
                _windowsServiceHelper.RemoveGroupFromFolderSecuritySetting(workFolder, groupName);
            }

            //remove group from agent root folder
            string agentRoot = IOUtil.GetRootPath();

            if (Directory.Exists(agentRoot))
            {
                Trace.Info(StringUtil.Format($"Remove the group {groupName} for the folder {agentRoot}."));
                _windowsServiceHelper.RemoveGroupFromFolderSecuritySetting(agentRoot, groupName);
            }

            //delete group
            Trace.Info(StringUtil.Format($"Delete the group {groupName}."));
            _windowsServiceHelper.DeleteLocalGroup(groupName);
        }