Solved: offline Mode - Autodesk Community
forums.autodesk.com › offline-mode › td-pNov 13, 2017 · An internet connection is required to activate, every 30days you should be connected to the internet at some point to verify your license & use the software. If you signed -in recently there should'nt be a problem unless you do not have administrator rights to (C:\Users\<user>\AppData\ & C:\ProgramData\) or this is a network license.