您好，我正在尝试按照https://www.ubuntu4u.com/howtos/how-install-huawei-e173-usb-modem-ubuntu-10041204-lts中提供的步骤安装华为 E173 驱动程序
当我执行时，sudo bash ./install
我收到了这个错误：本地路径是：/usr/local/Movistar_3.5G
Installing Movistar 3.5G...chmod: cannot access '/usr/local/Movistar_3.5G/config': No such file or directory
chmod: cannot access './driver/*': No such file or directory
./install: line 420: ./driver/install: No such file or directory
chmod: cannot access './sbin/*': No such file or directory
chmod: cannot access './hw_pppd': No such file or directory
chmod: cannot access './hw_pppd': No such file or directory
cp: cannot stat './hw_pppd': No such file or directory
cp: cannot stat '/usr/local/Movistar_3.5G/qtlib/lib*.so*': No such file or directory
grep: /usr/local/Movistar_3.5G/SysConfig.dat: No such file or directory
grep: /usr/local/Movistar_3.5G/SysConfig.dat: No such file or directory
cp: cannot stat '/usr/local/Movistar_3.5G/sbin/67hw_hook': No such file or directory
chmod: cannot access '/etc/pm/sleep.d/67hw_hook': No such file or directory
[ done ]
即使我执行了sudo chmod +x install
没有任何改变。我能做些什么来解决这个错误？