https://community.esri.com/t5/arcmap-questions/arcmap-10-6-windows10-failure-when-selecting/m-p/1015496#M1843 <P>it is probably a projection issue.&nbsp; Are you using a regional projection?&nbsp; Some your polygons may be out side of your projection area.&nbsp; Copy the date to a new database with new feature dataset that is using a world wide projection</P> Mon, 11 Jan 2021 12:25:07 GMT RobertBorchert 2021-01-11T12:25:07Z https://community.esri.com/t5/arcmap-questions/arcmap-10-6-windows10-failure-when-selecting/m-p/1014559#M1834 <P>Hi guys,</P><P>as a Student of Geography i use ArcMap for Desktop (10.6) on Windows 10. Everytime i try to do this, the system fails: Activate the button 'Select Features by Rectangle' in the Tools Toolbar. Select every polygon<BR />which is not visible in the ancient map by pressing the Shift-Key.</P><P>&nbsp;</P><P>Thanks for helping!</P><P>&nbsp;</P> Thu, 07 Jan 2021 07:56:05 GMT https://community.esri.com/t5/arcmap-questions/arcmap-10-6-windows10-failure-when-selecting/m-p/1014559#M1834 ClemensSchneider 2021-01-07T07:56:05Z https://community.esri.com/t5/arcmap-questions/arcmap-10-6-windows10-failure-when-selecting/m-p/1015496#M1843 <P>it is probably a projection issue.&nbsp; Are you using a regional projection?&nbsp; Some your polygons may be out side of your projection area.&nbsp; Copy the date to a new database with new feature dataset that is using a world wide projection</P> Mon, 11 Jan 2021 12:25:07 GMT https://community.esri.com/t5/arcmap-questions/arcmap-10-6-windows10-failure-when-selecting/m-p/1015496#M1843 RobertBorchert 2021-01-11T12:25:07Z