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Marvel Rivals > Guides > Sam's Guides
25 ratings
How to Fix Stuck on 99% Bug
By Sam
This guide provides detailed steps to fix the 99% loading screen issue in Marvel Rivals. It covers solutions like verifying game files, running the game as an administrator, disabling firewalls and anti-cheat software, optimizing NVIDIA settings, clearing the cache, moving the game to an SSD, and using Exploit Protection. For additional optimization, it recommends ExitLag to improve ping and FPS. Follow these steps to resolve the issue and enhance your gaming experience!
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Created by
Sam
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Category: Multiplayer
Languages: English
Posted
26 Jan @ 2:10am
2,568 Unique Visitors
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Guide Index
Overview
Verify Game Files 
Run the Game as Administrator 
Disable Windows Firewall 
Disable Anti-Cheat Software 
Optimize NVIDIA Settings 
Move Game to an SSD 
Check out the Full Guide on Youtube 
Comments
Verify Game Files


1. Verify Game Files
  1. Open Steam or the platform where Marvel Rivals is installed.
  2. Right-click on the game, select Properties, go to Installed Files, and click Verify Integrity of Game Files.

Run the Game as Administrator


2. Run the Game as Administrator
  1. Navigate to the Marvel Rivals launcher in your installation folder.
  2. Right-click the launcher and select Run as Administrator.
  3. To make this permanent:
    • Right-click the launcher > Properties > Compatibility.
    • Check Run this program as an administrator.
    • Click Apply and OK.
  4. Consider disabling Fullscreen Optimizations and enabling Compatibility Mode if using older Windows versions.


Disable Windows Firewall


3. Disable Windows Firewall
  1. Open Windows Security.
  2. Go to Firewall and Network Protection.
  3. Turn off all Windows Defender firewalls while running the game. Remember to turn them back on afterward.

Disable Anti-Cheat Software


4. Disable Anti-Cheat Software
  1. Close anti-cheat software for other games (e.g., Valorant, CS:GO) via Task Manager.
  2. Open Task Manager (Shift + Ctrl + Escape).
  3. Sort tasks by memory and close unnecessary background tasks, such as overlays and anti-cheat software.

Optimize NVIDIA Settings


5. Optimize NVIDIA Settings
  1. Open NVIDIA Control Panel.
  2. Go to Manage 3D Settings.
  3. Disable Shader Cache and restart your computer.
  4. Delete the NVIDIA cache:
    • Navigate to C:\Users\[YourUsername]\AppData\Local\NVIDIA.
    • Delete the DX Cache folder.
  5. Return to NVIDIA settings and set Shader Cache to at least 10GB or Unlimited.

Move Game to an SSD


6. Move Game to an SSD
If Marvel Rivals is installed on an HDD, consider transferring it to an SSD for improved loading times and performance.



7. Use Exploit Protection Settings
  1. Search for Exploit Protection in the Windows search bar.
  2. Go to Program Settings > Add Program to Customize > Choose Exact File Path.
  3. Locate the Marvel Rivals launcher (Steam > Properties > Installed Files > Browse).
  4. Select Control Flow Guard and turn it off.
  5. Click Apply.

2 Comments
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youbunnywrote 31 Jan @ 6:02pm 
I moved the games from D drive to C (system drive) and it worked for me
RedWithTheObviouslyLongUsername 28 Jan @ 6:03pm 
moving to SDD is the one that actually fixes it