Your nightmare is "Error code: e8007000E. Not enough storage is available to complete this operation" ? then to solve this withour damaging your operating system Windows 7 or Windows 8, then download and install this tiny and free software/tool and run cleaner and registry for AutoCAD 2015.
Why error code "e8007000E" or "Not enough storage" errors can be fixed so easy only with software from above ? because that program will clean your operating system of garbage.
Also you can delete some files / folders from disk / Partition C to solve this issue for AutoCAD 2015
This guide has been created to fix issue :
Error code: e8007000E. Not enough storage is available to complete this operation
By Sorin Dstead - Created on July - 09 - 2014