PEAK How to Fix 'Easy Anti-Cheat is not installed' Error

If you encounter the "Easy Anti-Cheat is not installed" error in PEAK, try these steps: 1. Run the "Easy Anti-Cheat – Repair" shortcut as administrator. 2. Manually repair EAC from the game’s installation folder. 3. Verify game files via Steam. 4. Reinstall EAC as administrator. 5. Disable antivirus/firewall temporarily and whitelist EAC and PEAK.

If you're encountering the "Easy Anti-Cheat is not installed" error in PEAK, it can prevent you from launching or playing the game. Here’s how to resolve it:

The operating environment of this tutorial: Dell XPS 15, Windows 11

1. Repair Easy Anti-Cheat via Desktop Shortcut

Many games that use Easy Anti-Cheat (EAC) include a dedicated repair tool accessible through a desktop shortcut. This method reinstalls or repairs the EAC component directly for PEAK.

• Look for a desktop shortcut named "Easy Anti-Cheat – Repair" associated with PEAK
• If found, right-click and run it as administrator
• Follow the on-screen instructions to complete the repair process

2. Manually Reinstall Easy Anti-Cheat Using Game Installation Folder

If the shortcut is missing, the EAC installer is often bundled within the game's installation directory. Running it manually ensures the service is properly registered.

• Navigate to your PEAK installation folder, typically located at C:\Program Files (x86)\Steam\steamapps\common\PEAK
• Look for a folder named EasyAntiCheat
• Open it and run the EasyAntiCheat_Setup.exe file
• Select PEAK from the game list and click "Repair Service"

3. Verify Game Files Through Steam

Corrupted or missing game files can cause the Easy Anti-Cheat error. Verifying integrity ensures all components, including EAC, are correctly installed.

• Open Steam and go to your Library
• Right-click on PEAK and select "Properties"
• Go to the "Local Files" tab and click "Verify Integrity of Game Files"
• Wait for the process to complete, then relaunch the game

4. Reinstall Easy Anti-Cheat as Administrator

Running the EAC installer with elevated privileges ensures it can modify system-level services and drivers required for operation.

• Locate the EasyAntiCheat_Setup.exe file in the game directory
• Right-click the file and select "Run as administrator"
• Choose PEAK from the dropdown menu and click "Reinstall"
• Restart your computer after completion

5. Check Antivirus or Firewall Interference

Security software may block Easy Anti-Cheat from installing or running, as it operates at a low system level. Temporarily disabling such programs can help identify conflicts.

• Temporarily disable your antivirus and firewall
• Attempt to repair Easy Anti-Cheat using the setup tool
• If successful, add Easy Anti-Cheat and PEAK to your antivirus whitelist

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