Win7 system installation AutoCAD2016 failure prompt "safety system is invalid" failure cause and solution

AutoCAD2016 is a engineering drawing essential software CAD, can be used for 2D drawing, detailed drawing, 3D design, with a good operating interface, Various operations can be performed through interactive menus or command line methods. When the Win7 system downloads and installs the latest version of AutoCad 2016, the AutoCAD prompt box pops up, prompting “The security system (software lock license manager) does not work or is not installed”. After clicking OK, the prompt window pops up, as follows: Figure:


Solution:

1. First open the Win10 configuration program, Win key + R key to call out the operation. Enter “msconfig”, click OK;

2. Select the service in the pop-up system configuration and find the flexnet licensing sevice 64 service item in the previous box. (If the service is too much, it is not good to find all Microsoft services hidden in the lower left corner.) OK to save.

Supplement: Find files in the specified directory (different operating systems and CAD versions may be different)

XP: C:\\Documents and Settings\\All Users\\Application Data\\FLEXnet vista . : Win7/8 System C:\\ProgramData\\FLEXnetCAD2004 or 2006: C:\\Documents and Settings\\All Users\\Application Data\\Autodesk\\Software Licenses or C:\\programdata\\autodesk\\software licenses\\

If specified The file directory may be hidden by the system. In the "Tools----Folder Options----View" checkbox "Show hidden files, folders and drives", then apply -- -- OK, you can solve it

XP: C:\\Documents and Settings\\All Users\\Application Data\\FLEXnet vista, win7, win8: C:\\ProgramData\\FLEXnetCAD2004 or 2006: C:\\Documents and Settings\\All Users\\Application Data\\Autodesk\\Software Licenses or C:\\programdata\\autodesk\\software licenses\\. Specify the files in the directory and delete all the adskflex_*_tsf.data files in the above directory, then open the CAD to reactivate.

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