This will help if you installed a wrong driver MULTITECH, OSSupport:Windows Size:70 KB It is highly recommended to always use the most recent driver version available Modem, Problems can arise when your hardware device is too old or not supported any longer MT2834PCS2, Try to set a system restore point before installing a device driver MULTITECH, Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games Modem,