progress_pos = 0;
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, progress_pos, 0);
int success = unpack_archive(crndata, crndata_len, install_path, PropertyArchiveStatus);
progress_pos = 0;
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, progress_pos, 0);
int success = unpack_archive(crndata, crndata_len, install_path, PropertyArchiveStatus);