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.
The most common causes of chronic nasal congestion are viral illnesses and allergies. As we all know, viruses frequently cause fever, runny nose, headache, sore throat, and congestion.he most common causes of chronic nasal congestion are viral illnesses and allergies. As we all know, viruses frequently cause fever, runny nose, headache, sore throat, and congestion.