public async Task StartScanner(IProgress <ScanProgress> progress)
        {
            FlaggedDirectories.Clear();
            FlaggedFiles.Clear();

            var drives = DriveInfo.GetDrives();

            foreach (var driveInfo in drives)
            {
                try
                {
                    await Task.Run(async() => { await Scan(driveInfo.Name, progress, token.Token); }, token.Token);
                }
                catch (OperationCanceledException)
                {
                    var timeElapsed = stopwatch.Elapsed;
                    ScanningStatus = $"Cancelled {timeElapsed:c}";
                }
                catch (Exception ex)
                {
                }
                finally
                {
                }
            }
        }