Here is the standard troubleshooting protocol for legacy systems:
Reinstall AutoCAD 2010 (clean)
files from unofficial third-party websites, as these files frequently contain malware or are incompatible with your specific software build. Are you currently facing a specific error message (like "License checkout timed out") or is the program failing to launch AutoCAD 2016 - adlmint.dll is missing - Autodesk Forums autocad 2010 adlmint dll new