Have you made sure that you performed a fresh reinstallation of the game? With modded / pirated games you can sometimes find modded files such as custom timesync and other things that can interfere with graphics. You can purchase game keys on websites such as G2A, but it's always a good idea to do your own research.
It may help that you run MTA diagnostics tool and provide us with the result.
Instructions at https://forum.multitheftauto.com/topic/32071-mtadiag-diagnostic-tool-for-mtasa-support-section-information/