I'm Having Trouble Running Core

Core Won't Install

 

1. Minimum System Requirements

Your computer must meet the system requirements to install and run Core, which can be found here.


2. Antivirus, Firewall, Proxy Network, & VPN's

Try allowing exceptions for Core in your firewall, antivirus, proxy network, or VPN software which may be preventing the install. You may also try adding exclusions to Windows Security that may be preventing writing to your registry (https://support.microsoft.com/en-us/help/4028485/windows-10-add-an-exclusion-to-windows-security)

Note that we are unable to provide guidance or instruction for specific firewall, antivirus, proxy networks, or VPN troubleshooting.

 

3. Ensure you have enough HDD/SSD space

Core requires ~5GiB of HDD/SSD space, plus future updates, content, and patches may increase that size. If you do not have enough space on your HDD/SSD, Core will not install.

 

4. Install to same drive as your Windows 10 OS

Core must be installed to the same drive as your Windows 10 operating system (typically your C: drive). Attempting to install to another drive can result in errors.

 

5. Update Video Drivers

Ensure that all of your video drivers are up to date:

NVIDIA: https://www.nvidia.com/Download/index.aspx?lang=en-in

AMD/Radeon: https://www.amd.com/en/support

 

6. Update Windows 10 Version

Verify that your Windows 10 is running the current version/build: Version 2009/Build 19042 (October 2020)

 

7. Run "Force Verify"

Core Launcher

Attempt to launch Core again from the Launcher. Locate the Core icon in your System Tray on the bottom-right. Right-click that icon and select "Force Verify Files" (see screen below):

Once you have run Force Verify, close out Core from the System Tray and restart it from the Launcher.


If Force Verify does not appear for you (e.g. no Core icon in your System Tray), proceed to the next step.

Epic Games Core Launcher

Locate Core in your Epic Games Library and attempt to launch Core. If it again fails, click the three-dot menu at the lower-right (see screen below):



Once at the three-dot menu, click "Verify":

Once the "Verifying" process is complete, re-launch Core.

8. .NET Framework 4.5

Core requires Microsoft .NET Framework 4.5 (unless your PC is already running .NET 4.5): https://www.microsoft.com/en-us/download/details.aspx?id=30653

For errors such as 0x80070643, you may also try running Microsoft's .NET Framework Repair Tool: https://www.microsoft.com/en-us/download/details.aspx?id=30135


9. Uninstall Unreal Engine 4 (UE4) Prerequisites

If none of the aforementioned steps work, you may also try uninstalling Unreal Engine 4 Prerequisites in Windows (they will be reinstalled when you run the Core Installer again).

To do this, you may need to use Microsoft's Program Install and Uninstall troubleshooter found here (if it doesn't appear in Settings > Apps & features): https://support.microsoft.com/en-us/topic/fix-problems-that-block-programs-from-being-installed-or-removed-cca7d1b6-65a9-3d98-426b-e9f927e1eb4d

 

Core Won't Run (After Successful Installation)

 

1. Minimum System Requirements

Your computer must meet the system requirements to install and run Core, which can be found here.

2. Antivirus, Firewall, Proxy Network, & VPN's

Try allowing exceptions for Core in your firewall, antivirus, proxy network, or VPN software which may be preventing the install. You may also try adding exclusions to Windows Security that may be preventing writing to your registry (https://support.microsoft.com/en-us/help/4028485/windows-10-add-an-exclusion-to-windows-security)


Note that we are unable to provide guidance or instruction for specific firewall, antivirus, proxy networks, or VPN troubleshooting.

 

3. Run "Force Verify"

Core Launcher

Attempt to launch Core again from the Launcher. Locate the Core icon in your System Tray on the bottom-right. Right-click that icon and select "Force Verify Files" (see screen below):



Once you have run Force Verify, close out Core from the System Tray and restart it from the Launcher.

If Force Verify does not appear for you (e.g. no Core icon in your System Tray), proceed to the next step.

 

Epic Games Core Launcher

Locate Core in your Epic Games Library and attempt to launch Core. If it again fails, click the three-dot menu at the lower-right (see screen below):



Once at the three-dot menu, click "Verify":

Once the "Verifying" process is complete, re-launch Core.


4. Update Video Drivers

Ensure that all of your video drivers are up to date:

NVIDIA: https://www.nvidia.com/Download/index.aspx?lang=en-in

AMD/Radeon: https://www.amd.com/en/support

 

5. Update Windows 10 Version

Verify that your Windows 10 is running the current version/build: Version 2009/Build 19042 (October 2020)

 

6. .NET Framework 4.5

Core requires Microsoft .NET Framework 4.5 (unless your PC is already running .NET 4.5): https://www.microsoft.com/en-us/download/details.aspx?id=30653

For errors such as 0x80070643, you may also try running Microsoft's .NET Framework Repair Tool: https://www.microsoft.com/en-us/download/details.aspx?id=30135

 

Additional Support - Information to send us

If none of the above resolve your issue, please include/attach the following information when contacting Support to help us investigate further:

1. System specs (you can view minimum system requirements here)

If you are unsure how to obtain your specs, you can search "System Information" in your Cortana bar in the bottom left (near the Start menu). Click on that app and take a screen shot using Alt + PrintScrn . Paste that screen shot into this ticket using Ctrl + V and reply.

Please be sure to include the type of graphics card you are running.


2. Launcher Logs

Launcher log files (logXXXXXXXX.txt) can be found here: C:\ProgramData\Manticore Games\Launcher\logs

Please only send the most recent one indicated by the date in the file name (e.g.  log20210302.txt would be for March 2, 2021). If sending multiple, please send in a .zip file.

3. Platform Logs (if available)

Platform.txt can be found in the following directory: C:\Users\User\Documents\My Games\CORE\Saved\Logs\Platform (where Users and User are your PC's username and user). Please attach the Platform.txt file to this ticket when you reply.

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