#2426 scrolling issue

[Anonymous]

After using the same version in the computer for sometime, today suddenly it started to behave "weird" In the pdf view when I scroll up, it goes down, and the same scrolling down. Although scrolling down, sometimes it goes up one or two pages and then it starts going down. In both cases it is not going neither in a continuous way. It only happens in the mode of separete windows for tex and pdf. Any hint??