https://community.graphisoft.com/t5/Installation-update/code-key-error/m-p/140441#M16054 I am guessing it may have to do with the fact you are trying to run old software on a new operating system for which it was not designed.<BR /> 8.1 was back in the days of Windows XP.<BR /> <BR /> What is your OS?<BR /> <BR /> Does Archicad run in demo mode or not at all?<BR /> If demo mode then there is a problem with your key.<BR /> If not at all it may be the OS.<BR /> <BR /> Have you tried the license activation tool to see if the key is being recognised and the license is valid?<BR /> Can be found here ... <A href="http://www.graphisoft.com/downloads/licensing/" target="_blank">http://www.graphisoft.com/downloads/licensing/</A><BR /> <BR /> Barry. Wed, 26 Feb 2014 07:16:55 GMT Barry Kelly 2014-02-26T07:16:55Z https://community.graphisoft.com/t5/Installation-update/code-key-error/m-p/140440#M16053 <DIV class="actalk-migrated-content">I have version 8.1<BR /><BR />The green code key is not recognizing the key.<BR />Reloaded new driver from (Microsoft and Archicad)<BR />And reloaded program with no luck.<BR />Also, there is no support for 8.1 (2002 Version)<BR />Any Ideas??</DIV> Tue, 26 Mar 2024 16:51:34 GMT https://community.graphisoft.com/t5/Installation-update/code-key-error/m-p/140440#M16053 Anonymous 2024-03-26T16:51:34Z https://community.graphisoft.com/t5/Installation-update/code-key-error/m-p/140441#M16054 I am guessing it may have to do with the fact you are trying to run old software on a new operating system for which it was not designed.<BR /> 8.1 was back in the days of Windows XP.<BR /> <BR /> What is your OS?<BR /> <BR /> Does Archicad run in demo mode or not at all?<BR /> If demo mode then there is a problem with your key.<BR /> If not at all it may be the OS.<BR /> <BR /> Have you tried the license activation tool to see if the key is being recognised and the license is valid?<BR /> Can be found here ... <A href="http://www.graphisoft.com/downloads/licensing/" target="_blank">http://www.graphisoft.com/downloads/licensing/</A><BR /> <BR /> Barry. Wed, 26 Feb 2014 07:16:55 GMT https://community.graphisoft.com/t5/Installation-update/code-key-error/m-p/140441#M16054 Barry Kelly 2014-02-26T07:16:55Z