zonkmachine wrote: ↑
Thu Jun 15, 2017 9:35 am
 I think this is the issue report that fits your case: https://github.com/LMMS/lmms/issues/3636
Issue #3636 has been closed and the fix is in 1.2.0-rc5 which has been released.
https://lmms.io/download/#windows

If it isn't the root of your specific problem it's at least an issue that could cause similar problems.