Apparently there is not a direct link between the DWG Trueview/Design Review 2011 and the AutoCAD 2011 license issue.
However, I’m going to investigate deeply what could originate this problem.
For that I would need some additional information:
• In which OS and version the problem occurs?
• Have AutoCAD 2001 started correctly previously?
• Inside the directory %ALLUSERSPROFILE%\Application Data\Autodesk\AutoCAD 2011\R18.1\ADLM, there should be there a file called LicenseErrorLog.txt, can you post it please?
• When the person has tried to re-register, I suppose that have been via the online activation wizard, what message received from the system?
Regards
Antonio Barroca
Autodesk Product Support
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Antonio Barroca
Product Support Specialist
Autodesk, Inc.