https://bugs.winehq.org/show_bug.cgi?id=8028
--- Comment #18 from Bruno Jesus 00cpxxx@gmail.com --- Still in wine 1.9.8. as per the procedure of comment 2.
When you press Update the second time with the scrollbar in the middle of the list it will blank the screen and slowly scroll until 0 and then it will redraw everything and put the scrollbar in the correct position.