Fixing the “Game Should Not Run as Admin” Error

If you are encountering the “Game should not run as admin” error, or your game launches with administrator privileges despite using command-line methods, follow these steps to adjust your system settings and resolve the issue.

Step 1: Modify Steam Launch Command

1. Open Steam.
2. Right-click Marvel Rivals in your library.
3. Select Properties.
4. Under the General tab, locate Launch Options.
5. Enter the following command:

cmd /min /C ""set __COMPAT_LAYER=RUNASINVOKER && start """" %command%"" 

Step 2: Modify Registry Settings

Adjust registry settings related to User Account Control (UAC) to prevent the game from running with administrator privileges:

1. Open the Windows Registry Editor:
   • Press Win + R, type regedit  , and hit Enter.
   • Click Yes if prompted by User Account Control (UAC).
2. Navigate to the following path:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System 

3. Modify the following registry values:

• EnableLUA → Set to 1
• ConsentPromptBehaviorAdmin → Set to 5
• ConsentPromptBehaviorUser → Set to 5
• PromptOnSecureDesktop → Set to 1

Step 3: Restart Your PC

• After making these changes, restart your computer for the settings to take effect.