Fix Error 633 Modem Or Other Connecting Device Is Already In Use
The error message that users affected by this issue see when trying to connect to the internet reads something along the lines of: In many cases, this issue arises following an occurrence that changes the affected computer’s settings and preferences (such as a Windows update or upgrade). There are quite a few different causes of this problem, with the most common ones being an issue with the drivers of the device being used to connect to the internet or the same TCP port that the device is trying to connect to the internet through being used by another program or device....