Here is a simple tutorial on how to fix the Internal Anticheat error after the 08\24\2021 update.
Note: The latest Release: Ceaseless Whirlpool is now out on Aug 24, you can check out the full details from this video after the tutorial.
How to Fix Internal Anticheat Error
1.) Navigate to your Steam Games Library.
2.) Find Smite – Right-click on It – Select Properties
3.) Select Local Files tab – Open Game Folder (path should look like Steam\steamapps\common\SMITE)
4.) Navigate to Folder called Binaries (Steam\steamapps\common\SMITE\Binaries)
5.) Select Folder named EasyAntiCheat (Games\Steam\steamapps\common\SMITE\Binaries\EasyAntiCheat)
6.) Execute file named EasyAntiCheat_Setup.exe (file and DLL’s should have time mark from 06\16\2021), click button Repair Service.
If time marks of files are not the same, check “Verify integrity of game files…”.
After the check was done Steam will re-download corrupted files.
7.) Restart PC
SMITE – The Ceaseless Whirlpool Update
Every skin coming with Smite Patch 8.8, the Ceaseless Whirlpool update
Thanks to supra for his great method to fix this error, all credit to his effort. you can also read the original guide from Steam Community. enjoy the game.