https://forums.autodesk.com/t5/navisworks-api-forum/problems-with-opening-a-file/m-p/8034563#M3798 <P>If I change the background color to some blue one, the screen still remains black</P> Wed, 30 May 2018 08:24:36 GMT Anonymous 2018-05-30T08:24:36Z https://forums.autodesk.com/t5/navisworks-api-forum/problems-with-opening-a-file/m-p/8034522#M3797 <P>When the file ifc is opened, the screen is black, the file is loaded with all objects, but not displayed. The laptop is powerful. And It used to open. Tried to reinstall and put another version - does not help.</P> Wed, 30 May 2018 08:03:43 GMT https://forums.autodesk.com/t5/navisworks-api-forum/problems-with-opening-a-file/m-p/8034522#M3797 Anonymous 2018-05-30T08:03:43Z https://forums.autodesk.com/t5/navisworks-api-forum/problems-with-opening-a-file/m-p/8034563#M3798 <P>If I change the background color to some blue one, the screen still remains black</P> Wed, 30 May 2018 08:24:36 GMT https://forums.autodesk.com/t5/navisworks-api-forum/problems-with-opening-a-file/m-p/8034563#M3798 Anonymous 2018-05-30T08:24:36Z