Installing AutoCAD LT for Mac crash

[tech]

I have a Mac mini that was running AutoCAD LT just fine until a few days ago.  When I became aware of the problem, I would click the icon in the dock and, it would just bounce for a bit, and never start.  It didn't freeze.  It just never started.  My user did download an AutoCAD LT update a few days ago, but thinks it worked OK after that.  The OS is 10.11.

I need to get this user back up and running, so I uninstalled AutoCAD LT using the app.  Re-Installing seemed to go OK until after I entered the Serial Number and Product Key.  Then I got an error that said "The installation failed.  The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance."  If I try to run it again it gives me "Installer quit unexpectedly while using the Register plug-in."

And one other thing: Despite having gone through the installation process, there is no Autodesk folder or AutoCAD app in the Applications folder.  I've tried re-downloading the installer and even chatted with Autodesk to no avail.  Can someone please help me?

[Otto]

Hello tech

It looks like you need help uninstalling - or have issues that may be addressed by uninstalling - an Autodesk product. Community members with similar questions found the following article(s) useful: The following article(s) should help you resolve the problem:

Uninstalling a Product

Once your product is uninstalled, please try downloading your Autodesk Software using the Virtual Agent (Please be sure to disable your firewall and anti-virus before downloading)

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[Darin.Green]

After uninstalling the software, make sure you delete the Autodesk directory in Library/Application Support

[tech]

I did go through the whole thing with deleting extra folders and files: https://knowledge.autodesk.com/support/autocad-for-mac/troubleshooting/caas/sfdcarticles/sfdcarticle.... In particular, at one point I did delete Library/Application Support/Autodesk. I did not delete the FLEXnet Publisher folder as there is Adobe Flash Player on the system. Not sure that Flash Player counts, but I didn't think that the Flexnet Publisher folder had anything to do with AutoCAD in it. (Two folders called 11.12.0 and 11.12.1, both of which contained a file named FNPLicensingService.) Please tell me if I'm wrong. I also did not exclude Flexnet Publisher from backups as 1.) I'm not aware that it is being restored at all and 2.) I'm not sure that we are running in Stand Alone mode. If I have a subscription (I do), could it be stand alone? Or is "not-stand alone" when the application resides on the network and the computer is a client? Is one of those steps likely to be the problem or is there some other step I need to take to reset the computer?

[tech · Accepted solution]

After speaking with someone from Autodesk, this problem was resolved by reinstalling the operating system.  This allowed us to then reinstall AutoCAD and everything worked as it should.  Thanks for the help.  Hope this helps.