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.
Postnasal drip is a condition in which the sinuses produce excessive amounts of mucus. This excessive mucus accumulates in the back of the nose and drips into the throat. Postnasal drip is a symptom of a variety of conditions and diseases.ostnasal drip: Treatments. Treatment of post nasal drip varies depending on the underlying cause, the age and general health of the patient, the severity, and other factors. A common general treatment is gently irrigating the nose with a sterile saline solution.