If you’re trying to install Forza Horizon 5 using a repack version such as DODI or FitGirl and facing issues like crashes, DLL errors, or launch failures, this detailed guide will help you fix those problems. Follow each step carefully to install the game correctly and run it without errors.

⚠️ Disclaimer: This guide is intended for educational purposes only. It does not promote piracy. Please support the developers by purchasing the official version of Forza Horizon 5 from authorized platforms like Steam or Microsoft Store.
🧰 What You’ll Learn
- How to disable antivirus temporarily for smoother installation
- Step-by-step instructions to install the game
- How to whitelist the game folder post-installation
- How to resolve potential errors like missing DLLs or game not launching
✅ Step 1: Turn Off Antivirus Temporarily
Before starting the setup, disable Windows Security to avoid false positives or installation interruptions:
- Click Start and search for
Windows Security. - Click Open.
- In the left panel, select Virus & Threat Protection.
- On the right side, click Manage Settings.
- Turn off all listed settings:
- Real-time protection
- Cloud-delivered protection
- Automatic sample submission
- Tamper protection
🔒 Why? Some game repacks contain modified executable files which are falsely detected by antivirus software as threats.
📦 Step 2: Start the Game Setup
- Navigate to your downloaded setup file.
- Double-click on the installer and click Yes when prompted by UAC (User Account Control).
- When the installer opens, press the Up Arrow key to select the
Installoption. - Select Proceed to continue.
💾 Step 3: Choose Installation Directory
- Choose your preferred install location (e.g.,
C:\ForzaHorizon5). - Click OK and then Next.
🌐 Step 4: Language and Components
- When prompted, uncheck all other languages except English.
- Click Install to begin installation.
✅ Step 5: Complete Installation
- Wait for the installation to finish (this may take a while).
- Once done, click Finish.
🔐 Step 6: Whitelist Game Folder in Antivirus
- Reopen Windows Security.
- Go to Virus & Threat Protection > Manage Settings.
- Scroll down to Exclusions and click Add or remove exclusions.
- Click Add an exclusion > Folder.
- Navigate to the folder where you installed the game (e.g.,
C:\ForzaHorizon5) and select it.
✅ This step prevents your antivirus from interfering with the game files after re-enabling protection.
🔄 Step 7: Turn Antivirus Back On
Now that the game is installed and excluded, turn back on all the antivirus settings that were previously disabled:
- Real-time protection
- Cloud-delivered protection
- Automatic sample submission
- Tamper protection
🚀 Step 8: Launch the Game
Navigate to your Forza Horizon 5 folder and launch the game. If everything was done correctly, the game should run without any crashes, errors, or black screen issues.
📝 Summary
By following these steps, you can successfully install and run Forza Horizon 5 repacks like DODI or FitGirl without facing any technical issues. Just remember to:
- Disable antivirus before installing
- Whitelist the game directory
- Re-enable your antivirus afterward
- Always download repacks from trusted sources
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Enjoy cruising through Mexico in Forza Horizon 5 with zero installation hassles!