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.
Too much mucus buildup in throat is most often due to excessive post nasal drip. 1  This can be caused by allergies, flu, and the common cold. Other causes include: 2  Strep throat. 3  Tonsillitis. 4  Laryngitis. 5  Mononucleosis. 6  Croup. 7  Smoking. 8  Air pollution. 9  Chemical Inhalants. 10  Pregnancy. 11  Anxiety.