Please try removing the settings you have for 4k resolutions. Left offset is 10 pixels - try restting it to 0.
<resolution>
<description>3840x2160 @ 23.98 - Full Screen</description>
<subtitles>1042</subtitles>
<pixelratio>1.000000</pixelratio>
<overscan>
<left>10</left>
<top>0</top>
<right>3840</right>
<bottom>2160</bottom>
</overscan>
</resolution>