How to Fix “The security system (Softlock license manager) is not functioning or is improperly installed” Error

This error can happen if you have a corrupted installation of an Autodesk program or if the License model has been changed in the registry. In most cases a clean uninstall and reinstall should correct the issue. However if this issue is not resolved then delete the licensing files and reactivate the product.

Solution

Most of the time, a clean uninstall and reinstall of CAD will resolve this issue.
First, follow our steps to uninstall AutoCAD or F/X CAD.
You can then reinstall AutoCAD or F/X CAD from scratch.
Still Getting the Error Message?
If uninstalling and reinstalling don’t resolve the issue, you might need to uninstall again and delete the following files before the reinstallation:
C:ProgramDataFLEXnetadskflex_00691b00_tsf.data
C:ProgramDataFLEXnetadskflex_00691b00_tsf.data.backup

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