... somehow. I have been using Sketchboard this morning and have now had the problem 3 times now at roughly 1/2 hour intervals regardless of what operations I have performed. Cheers Phil posted: 24 Jul 2012 13:12 from: Phil O Hi Martin I have resumed using Templot having left in Trackpad since my earlier post. I switched to Sketchboard and created the rectangle shown and modified it to the width required and selected outline only, I then went to rotate it and got the error message shown in the attachment. 38_240759_200000000.png Cheers Phil posted: 24 Jul 2012 17:51 from: Martin Wynne Hi Phil, Thanks for these reports. I haven't been able to reproduce those errors here, but clearly there is something amiss in the sketchboard code. I have checked everything time-related and I can't find anything that would trigger an event after 30 minutes, so that's a bit puzzling. Before the next update I'm going to rework some of the sketchboard code to integrate it more closely with Templot's original code. I don't know if that will ...