I have posted a question previously on this subject but so far have had no luck in fixing my problem, I have followed the suggestions to fix the jerky crosshair problem but could not make it work so I thought that the graphics card could be the problem I used Belark Advisor to check out my graphics driver and found that some how it had installed the Microsoft basic graphics driver so I got onto the AMD Radeon website to install the latest driver for my AMD Radeon R9 200 series card, now I thought that would solve it but no. now when I start up RS I still have the jerky crosshairs with the addition of a flickering coloured band across the top of the screen and sometimes across the bottom, this makes DS completely unusable ,I have searched for an alternative but DS is the best cad program or nearest to AutoCAD which I trained on, there must be a solution somewhere or maybe its me