... can't replicate the crash using the Storage Box slider When using the track spacing dialogue there is no problem if I just click on the 6ft-7ft-8ft numbers. If I move the slider quickly from 6ft to 7ft or 8ft etc and leave it alone it is fine. The problem only shows when I either move the pointer quickly in a random fashion or if I move it very slowly across from 6ft and the crash occurs when I get around the 8ft mark. Tonights exciting system status report attached. Rob Attachment: attach_3093_3699_Crash_Tuesday_- _cpu_use.jpg 100 posted: 17 Jun 2020 00:11 from: Martin Wynne Thanks Rob. I've replaced the chunky slider with a draggable red marker: 2_161904_160000000.png That's not a Windows control, so I've been able to reduce the timer to 10 mS without the CPU usage going any higher. Which means the dragging is now as smooth as before. It's a serious bug in that it crashes Templot, so even though I haven't been able to cause it to happen here I will probably release yet another update with ...