case -620: case -621: case -624: case -625:
case E_XPI_FAIL: case E_INSTALL: case E_MKDIR_FAIL: case E_OLD_INST: case E_DIR_NOT_EMPTY:
IsErrFatal(int aErr){    int bFatal = TRUE;    /* non-fatal errors */    switch (aErr)    {        case -620:        case -621:        case -624:        case -625:            bFatal = FALSE;        default:            break;     }    return bFatal;}