If the error persists even after a redownload, your hard drive might be the culprit. Open the Command Prompt as Administrator. Type chkdsk /f and hit Enter.
The screen flickered. The Rockstar logo appeared, but instead of the familiar siren wail, the screen turned a stark, clinical white. A dialogue box popped up: FATAL ERROR: x64a.rpf failed CRC check. x64arpf failed crc check gta v extra quality