Windows 10, LMMS 1.1.3 and the Beta version (LMMS 1.2.0-RC7), Acer Laptop (64 bits), i2GB of RAM (1.72GB available) "Realtek High Definition Audio" I am afraid that it could be your RAM. Win10 is a hungry beast, and 1.7 gb is not a lot.. But my first take on this is to not run 1.1.3 on wi...