If you are referring to the crosshair setting, there's a mod dealing with that issue:
This is a CET mod to get rid of the irritating sticky UI elements issues: the Center Dot, the Crosshair, the Subtitles, the Progress Bar and the Shard hum
www.nexusmods.com
No idea if it works, but the description might be helpful as it provides a few suggestions.
However, if you are using any other mods, that can cause problems too in some cases.
In general, technical issues can be reported here, for example:
Welcome to CD PROJEKT RED Technical Support! Here you will find help regarding our games and services, as well as answers to frequently asked questions.
support.cdprojektred.com