Are you getting a “Failed to start” error in MultiVersus?
Here’s the full error message, “Easy Anti-Cheat is not installed”.
The bug was first reported by the user, “RSTG”.
Whenever he starts the game, it says that EasyAntiCheat is not installed.
He tried uninstalling and reinstalling the game but it doesn’t fix the issue.
Similarly, restarting his computer did not work.
In this guide, you’ll learn what is Easy Anti Cheat in MultiVersus and how to fix “Easy Anti Cheat is not installed”.
What is Easy Anti Cheat in MultiVersus?

Easy Anti Cheat in MultiVersus is an anti-cheat service that counters hacking and cheating in multiplayer PC games.
The service is part of Epic Games—a video game development company based in the United States.
It counters the main cause of cheating with industry-leading prevention techniques.
Their team has over a decade of experience in developing anti-malware technology.
Easy Anti Cheat is used by multiple games like Apex Legends, Fornite, Rust, and more.
MultiVersus also rely on Easy Anti Cheat to prevent hackers.
Unfortunately, there is an ongoing bug with the service and many users are unable to start the game.
How to fix “Easy Anti Cheat is not installed” in MultiVersus

How to fix “Easy Anti Cheat is not installed” in MultiVersus
- Go to your Steam Library.
- Right-click “MultiVersus”.
- Click on “Properties…”.
- Select “Local Files”.
- Click on “Browse…”.
- Right-click “start_protected_game”.
- Select “Show more options” > “Properties”.
- Click on the “Compatibility” tab.
- Tick “Run this program as an administrator”.
- Click on “Apply” > “OK”.
After you’ve ticked “Run this program as an administrator”, the anti-cheat program will run properly.
When you launch MultiVersus, you shouldn’t get the “Easy Anti-Cheat is not installed” error anymore.
Currently, this is a known bug that MultiVersus is yet to fix.
They haven’t replied to the original bug report yet, but @WBGamesSupport on Twitter linked to it in a reply.
Since the game is in the beta phase, it still has a lot of bugs that need to be fixed.
MultiVersus should be more refined after its official release.
For now, you need to ensure that you’re always running the anti-cheat program as an administrator.
If you need more help, you can go to the WB Games Support website and click on “Ask for Help” on the top navigation bar.
You can also send a direct message to @WBGamesSupport on Twitter.
Further reading
How to Connect WB Account to Twitch for MultiVersus