Although intermittent, I can recreate this problem at will. If I browse the internet using a browser while a log job is running, the job in progress will stop. The timer will continue to countdown. I’m running a Mac running Mojave 10.3.6 and using the repleo USB-serial driver. I initially thought that was the problem - it’s an older MacBook Air that needed replaced anyway - so I replaced it. Bought a new (used) computer with an nice 4 core i5 and put 16G RAM and a big 500G SSD. Loaded Ubuntu 20 on it - and it’s really fast. Put Lightburn on, no issues, it even detected my GRBL setup (the MacBook Air didn’t) running a job, seems effortless for it. Then… while browsing the web, the job will stop. So two computers, different operating systems - same error. Does anyone else have similar experiences?