Perhaps the fact is that the "Autodesk Licensing Service" was not started for any reason. The system name of the service is "AdskScSrv", location: "C:\Program Files (x86)\Common Files\Autodesk Shared\Service\AdskScSrv.exe", including the 64x version of 3ds Max. Check if run this service and its background work.
In general, this is a common mistake for 3ds Max 2008, and Autodesk has long been aware of it:
Customers attempting to activate Autodesk 3ds Max 2008 after December 31, 2008 may encounter an error message indicating that their license has expired.
Therefore, the developer quickly developed and offers to install the appropriate fix "Autodesk 3ds Max 2008 Activation Hotfix" from here. This fix will install, add to autoload and start the same Autodesk Licensing Service, after which the message "You can no longer use this product" should no longer appear when starting 3ds Max.