... broad is set to Arduino UNO and Serial Port to COM1 (the one option I have) ...
That suggests to me that the USB driver is not installed. There are some threads around about doing that. Have you read the troubleshooting guide?
Thank you very very much for give me that link, it solved my problem, I have Win7 x64 bit so I installed the drivers 'manually' and a new option in serial port (COM3) appeared, now it seems to work fine!