https://forums.autodesk.com/t5/inventor-forum/incentor-2015-failed-to-install/m-p/5654312#M374793 <P>&nbsp;</P> <P>In Windows go to the Start menu and find the Command Prompt, right click on it and choose the option Run as Administrator.</P> <P>Run the following two lines in the Command Prompt windows, choose Yes when prompted to Uninstall a program.</P> <P>MsiExec.exe /X{7F4DD591-1964-0001-0000-7107D70F3DB4}<BR />MsiExec.exe /X{7F4DD591-1964-0001-1033-7107D70F3DB4}</P> <P>&nbsp;</P> <P>Now download the products files from:</P> <P><A href="http://autodesk.creativevirtual15.com/autodesk/bot.html?isJSEnabled=1&amp;businessArea=Root.Front%20Desk&amp;startContext=Root.Front%20Desk#" target="_blank">http://autodesk.creativevirtual15.com/autodesk/bot.html?isJSEnabled=1&amp;businessArea=Root.Front%20Desk&amp;startContext=Root.Front%20Desk#</A></P> <P>&nbsp;</P> <P>Once both files are downloaded double click on the first one to start the extraction process then follow the installer.</P> <P>&nbsp;</P> <P>Thanks,</P> <P>Danny</P> <P>&nbsp;</P> <P>&nbsp;</P> Wed, 27 May 2015 21:14:25 GMT DannyHubbard 2015-05-27T21:14:25Z