https://community.graphisoft.com/t5/Modeling/Trace-reference/m-p/297231#M153314 Giuseppe,<BR /> <BR /> This is a known issue in ARCHICAD 18. Please close your Renovation palette while the Trace feature is turned on and performance should improve. This will be fixed in an upcoming Update for ARCHICAD 18. <BR /> <BR /> <A href="http://helpcenter.graphisoft.com/troubleshooting/performance/archicad-18-performance-troubleshooting-guide/#2D_pan_and_zoom_gets_slow_laggy_and_unresponsive_when_Trace_Reference_is_on" target="_blank">Help Center - ARCHICAD 18 Performance Troubleshooting Guide</A><BR /> <BR /> Best regards, Wed, 23 Sep 2015 04:28:19 GMT NCornia 2015-09-23T04:28:19Z https://community.graphisoft.com/t5/Modeling/Trace-reference/m-p/297230#M153313 <DIV class="actalk-migrated-content"><T>Hi! with trace reference on working with archicad 18 my computer an mouse acting with no control. Any setting on the Preferences or on work enviroment I meed to change so I can fix this problem? <BR /> Tanks for any help</T></DIV> Tue, 22 Sep 2015 20:44:00 GMT https://community.graphisoft.com/t5/Modeling/Trace-reference/m-p/297230#M153313 Anonymous 2015-09-22T20:44:00Z https://community.graphisoft.com/t5/Modeling/Trace-reference/m-p/297231#M153314 Giuseppe,<BR /> <BR /> This is a known issue in ARCHICAD 18. Please close your Renovation palette while the Trace feature is turned on and performance should improve. This will be fixed in an upcoming Update for ARCHICAD 18. <BR /> <BR /> <A href="http://helpcenter.graphisoft.com/troubleshooting/performance/archicad-18-performance-troubleshooting-guide/#2D_pan_and_zoom_gets_slow_laggy_and_unresponsive_when_Trace_Reference_is_on" target="_blank">Help Center - ARCHICAD 18 Performance Troubleshooting Guide</A><BR /> <BR /> Best regards, Wed, 23 Sep 2015 04:28:19 GMT https://community.graphisoft.com/t5/Modeling/Trace-reference/m-p/297231#M153314 NCornia 2015-09-23T04:28:19Z https://community.graphisoft.com/t5/Modeling/Trace-reference/m-p/297232#M153315 Thank you, I almost forget this was an issue, because non always in each project have this problem. <BR /> Thanks Wed, 23 Sep 2015 11:56:11 GMT https://community.graphisoft.com/t5/Modeling/Trace-reference/m-p/297232#M153315 Anonymous 2015-09-23T11:56:11Z