Hello,   due to some requests lately regarding network problems associated with X-Plane 10/11 and more complex addons (such as the CRJ-200, for example) here a few hints from the developers:   In almost 100% of the cases, these problems are caused by installed or better not correct configured security software from other manufacturers or from the standard operating system security software.   These software are, for example, Antivirus programs, firewall programs (also the