Upon receiving any Access Denied errors, it is most probably a side-effect indicating that your anti-virus software is blocking the anti-cheat from loading.

Here is what you can do to try to fix Access Denied Errors:

• Whitelist the game folder along with the FAC folder located in "%appdata%/FAC" (recommended)
• Disable your anti-virus software. (not recommended: this should only be done for testing purposes as you might risk the health of your computer by doing so permanently)

If you still can't solve your issue, feel free to send a ticket with a copy of the error log.