Joplin moves without command


Joplin 1.0.227
Windows 10 x64

While I am writing, after a minute or so Joplin moves the window without command. This is making me mad. It can move a few pages or just make the line I’m writing in be the first visible line, but either way I don’t want it to. I want to be able to always see the previous lines. Could you please help?