Carbon Copy (software) Carbon Copy was an early remote control and file transfer software for DOS and Windows published by Microcom. It allowed remote access to a computer via dial-up modem connection.
A viral infection (the common cold) is the most common cause of a stuffy and/or runny nose, but allergies, influenza, and sinus infections also may cause these symptoms. Less commonly, anatomical obstructions (e.g. a deviated nasal septum, foreign bodies) may lead to nasal congestion.
Runny Nose or Nasal Congestion. A runny nose and/or nasal congestion (stuffy nose) are two of the most common symptoms of a cold. These symptoms result when excess fluid causes blood vessels and mucous membranes within the nose to swell. Within three days, nasal discharge tends to become thicker and yellow or green in color.