If you have come across any errors other than the four mentioned above, please feel free to reach out to us using the comment box below or on our WhatsApp. AutoCAD or any Autodesk product installation or uninstallation firstrun theadid error or second run lang en-us error.Uninstallation error – Even after uninstalling AutoCAD, it keeps showing Installed etc.AutoCAD self Extraction initializing error during installation of AutoCAD.Registration-Activation Error (0015.111) during Activation of AutoCAD or any Autodesk product.Any feedback and comments are very helpful for us as they help us gain more expertise in this area. When users contact us to solve their problems, we take it as an opportunity to apply our knowledge and calibrate it. One of my blog readers complained about the following issues during the installation of AutoCAD, most of which are fixable. We face many problems during Autodesk product installation and they have their own solutions. You may face this error for any Autodesk products like AutoCAD, Revit, Maya, 3ds Max etc. Are you facing registration activation error 0015.111? In this article, We will see how to fix registration activation error 0015.111.