I am not seeing this problem.it's simply that the arrowheads are missing from the top and bottom of the scroll bars, so a slow scroll is not an option.
Could you post an image of what you see.
menu>Graphic>Take a Shot
This can make an image to post.
Use Window not full screen setting.
Window setting will make a pointer you place on a window and left click to take picture of that window.
Post the image as an attachment to a post.
There is a forum size limit of 256K.
You can edit image with Mtpaint program if it is too big.
Mtpaint>Image>Scale Canvas will size the image.
Use a width of no more than 700.