If you have tried to uninstall your software but still cannot activate your software do the following so you can enter in the correct serial number and product key:
*ProgramData and AppData are hidden folders. Make sure to unhide hidden files and folders: https://support.microsoft.com/en-us/help/14201/windows-show-hidden-files
- Delete everything in the C:\Users\userfolder\AppData\Roaming\Autodesk\ADUT folder
- Delete everything in the C:\Users\userfolder\AppData\Local\Autodesk\Adlm folder
- Delete as much as you can in the C:\Users\your user profile folder\AppData\Local\Temp folder. If it says its in use click on Skip
- Delete everything in the C:\ProgramData\FLEXnet folder
- Delete everything in the C:\ProgramData\Autodesk\ADUT
- Delete the product key for the software found in the C:\ProgramData\Autodesk\CLM\LGS folder.
- For example:
- AutoCAD 2013 001E1
- AutoCAD 2014 001F1
- AutoCAD 2015 001G1
- AutoCAD 2016 001H1
- AutoCAD 2017 001I1
- Here is a list of all the Product Keys for 2017 https://knowledge.autodesk.com/customer-service/download-install/activate/find-serial-number-product-key/product-key-look/2017-product-keys
- Here is a list of all the Product Keys for 2018 https://knowledge.autodesk.com/customer-service/download-install/activate/find-serial-number-product-key/product-key-look/2018-product-keys
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