https://forums.autodesk.com/t5/installation-licensing-forum/maya-installation-problem/m-p/5706443#M140178 <P>Hi @Anonymous,</P> <P>&nbsp;</P> <P>Welcome to the Community.</P> <P>&nbsp;</P> <P>Could you try using the <A href="http://support.microsoft.com/mats/Program_Install_and_Uninstall" target="_self">Microsoft Fixit Tool</A> to remove any residual keys in your system before attempting to reinstall? You can refer to the links below for more information and instructions:</P> <P>&nbsp;</P> <P><A href="http://knowledge.autodesk.com/search-result/caas/sfdcarticles/sfdcarticles/Program-lists-as-already-installed.html" target="_self">Program lists as already installed</A> </P> <P><A href="http://knowledge.autodesk.com/support/3ds-max/troubleshooting/caas/sfdcarticles/sfdcarticles/Program-cannot-be-installed-because-the-installer-indicates-that-it-is-already-loaded.html" target="_self">Program cannot be installed because the installer indicates that it is already loaded.</A> </P> <P><A href="http://knowledge.autodesk.com/support/maya/troubleshooting/caas/discussion/t5/Installation-Licensing/Autodesk-3DS-Max-2015-amp-Maya-2015-installer-says-it-is-installed/td-p/5494881.html" target="_self">Autodesk 3DS Max 2015 &amp; Maya 2015 installer says it is installed</A> </P> <P>&nbsp;</P> <P>Kindly let us know how it goes.</P> <P>&nbsp;</P> <P>Thank you,</P> <P>&nbsp;</P> Mon, 06 Jul 2015 07:26:01 GMT jeffrey.sin 2015-07-06T07:26:01Z