Na the issues was i believe the server addons were conflicting with another addon i have downloadedIssue occured with GTX 630/650/660 also a GTX 760, tested and confirmed issue with low end grafic cards.
Could be that aswell but low end grafic card makes you sometimes crash aswell in the vicinity.Na the issues was i believe the server addons were conflicting with another addon i have downloaded
lets gooooooI bought my friend a new grafic card and hes issues stopped to happen, also he re downloaded content for it to be fixed.