“r5apex.exe – Application Error, The instruction at 0x6a1f9414 referenced memory at 0x4128a3a0. The memory could not be read. A good number of Apex Legends have reported getting this error in the launcher loading screen. 

Others get the “Invalid game executable: C:\Program Files (x86)\Origin Games\Apex\R5apex.exe” error message instead. In either case, you are experiencing a launch problem for the popular Apex Legends game. The problem is more prevalent in older Windows OS versions, including Windows 7, and Windows 8/8.1. throughout this guide, you will learn what causes the r5apex.exe application error, and how to fix it. 

What Causes Apex Legends error r5apex.exe?

This error message will pop up on the launcher loading screen, prompting the game to automatically exit. Error code r5apex.exe on the Apex Legends game may be triggered by several things, including: 

Corrupted Game Files 

Similar to several other video games, the Apex Legends software files may become corrupted over time. This does not necessarily mean that the computer is affected by a virus or malware. It could be just a glitch in the software. This can be resolved in a number of ways, depending on the Windows OS version you are running. Much of that is covered below. 

 Antivirus Quarantining 

This is the commonest cause of the r5apex.exe error. In this case, the Antivirus program installed in your computer may detect r5apex.exe as a threat. If that happens, the r5apex.exe will be quarantined, and the Antivirus will block it every time it tries to launch. 

Some of the Antivirus solutions that are commonly associated with this problem include Avast and AVG. If this is the cause of the r5apex.exe error in your case, you need to restore the executable from the virus vault, as described below. 

Corrupted Easy Cheat Engine 

On rare occasions, the invalid game executable r5apex.exe error may be caused by easy Cheat Engine inconsistencies. If the Easy Cheat Engine is malfunctioning, the Apex Legends will be forced to exit to prevent cheating attempts. 

In such a case, you should access the EasyAntiCheat folder, and execute a repair operation from the setup executable. 

Windows 10 Compatibility Issues 

The Easy Anti Cheat engine used by Apex Legends is known to have compatibility issues with the Windows 10 operating system. Even so, you will find the issue rather easy to fix, using the methods and steps discussed below. 

Corrupted Apex Cache 

Are you getting the R5apex.exe error message at the very start of the game? If so, chances are that the Apex Legendary cache files are corrupted. If one of the cached game files is corrupted, it will cause the game to crash the moment you try to launch. 

If this is the problem in your case, cleaning the game cache should resolve the matter. 

Outdated Software 

Windows is known to continually upgrade their software solutions in an effort to clear glitches and improve performance. Missing such updates can result in incompatibility issues with the Apex Legendary game. 

For instance, you will get this error on Windows 8.1, if you happen to be missing the KB3173424 and KB3172614 stack updates required by the game to run. If you suspect this to be the cause of the Apex r5apex.exe error in your computer, just update the OS.

How to Resolve the Invalid Game Executable r5apex.exe Error 

The appropriate solution for your invalid game executable launch error scenario depends on what is causing the error in the first place. As mentioned above, the error code may be triggered by different things, ranging from compatibility to corrupted files. Each of the r5apex.exe error causes has a specific fix. These methods and procedures will help you troubleshoot the error code and fix it once and for all: 

Method 1: Repair Apex Legendary Game Files

Corrupt game files can cause the game to crash during startup. In such a case, you can easily repair the game files to clear the Apex launch error code. To do this, you need to open Origin and navigate to My Game Library. 

Once in the library, click the gear icon associated with Apex Legends to display a context menu. From this menu, select Repair, and then follow the on-screen instruction prompts to execute the repair operation. Once you are done repairing the files, restart Origin and try launching the Apex Legends game to see whether the error has cleared. 

Method 2: Restoring r5APEX.exe from the Virus Chest 

Some Antivirus applications are known to block the game from launching, resulting in the r5apex.exe error message. Rather than uninstalling it disabling the Antivirus program, just restore r5Apex.exe from the virus cache. 

The procedure you need to accomplish this varies from one Antivirus program to another  as illustrated below: 

Clearing Error r5Apex on AVG

Open the AVG Antivirus App and navigate to the main menu. From the menu, select the Quarantine tab, and click on “R5APEX.exe”. Now click on the Drop-Down tab located next to the yellow Delete button. Select the Restore option from this Drop-Down menu, and then Add Exception. 

Clearing Invalid Game Executable Error on Avast 

If you are using the Avast Antivirus program, launch the Avast app and then open the Protection tab. Select Virus Chest to display a list of quarantined apps and services. Locate, and select R5Apex.exefrom this list.

With the R5Apex.exe selected, click on the Drop-Down menu, just next to the Delete button. From the Drop-Down menu, select the “Restore, and Add Exception” option. 

Clearing the R5APEX.exe Error on Windows Defender 

For the case of Windows Defender, press the Windows + R Key combination to open the Run dialog box. Type ms-settings: windows defender into this dialog box and then press enter. This operation will open the Windows Defender window. 

Click on the “Virus & Threat Protection” option and then navigate to the Protection History link. Scroll down the list of quarantined threats to locate the R5Apex.exe file. Select the R5Apex.exe file and expand its drop-down menu. 

Click on Restore on this drop-down menu to send the r5Apex.exe file back to its initial location in the game folder. Afterward, you will need to restart the computer for the changes to take effect. 

Method 3: Clear The Apex Local Cache

As mentioned earlier in this guide, corrupted files in your Apex game cache can also trigger the r5apex.exe error. In such a case, the following procedure will help you fix the problem:

Step One: Open the Apex Local Folder 

To open this folder, navigate to C:\Users\”Username”\Saved Games. Scroll down the list to open the Respawn folder, and then the Apex sub-folder thereafter. Look for the Local folder and open it. 

Step Two: Delete Local Folder Contents 

Select any entry in the Local folder and then press the Ctrl + A key combination to select everything. With everything in the Local folder selected, right-click, and select Delete from the displayed options context menu. Finally, you need to restart the computer for those changes to take effect.

Method 4: Repair The Easy Cheat Engine

To repair the Easy Cheat Engine, you need to navigate to where Apex Legends is installed on your computer. By default, the program will be installed in C:\Program Files\Origin Games\Apex\ unless you changed the location during installation. 

Look for the EasyAntiCheat folder in this location and double-click on it. Now right-click in the EasyAntiCheat_Setup.exe to open the associated context menu. Now select “Run as Administrator” from this menu. If the system prompts for the User Account Control (UAC), click Yes. This will grant admin access. Thereafter, click on “Repair Service”, and confirm the choice. Allow the system apple time to finish repairing the Easy Anti Cheat engine. Once finished, click Finish to close the window. 

Method 5: Execute R5Apex.exe in Compatibility Mode

Navigate to the installation location for the Apex Legends game files. By default, the location will be C:\Program Files\Origin Games\Apex\. Select the R5Apex.exe file and right-click on it to display the associated context menu. 

From the context menu, choose Properties, and then open the Compatibility tab. Check the box adjacent to “Run this program in compatibility mode for”. From the list of OS versions displayed, select Windows 7, regardless of the Windows OS version you are running. 

Finally, you need to click the Apply button to apply the changes and then restart the computer. 

Method 6: Update the Operating System 

You may be getting the Invalid game executable R5apex.exe error code simply because your operating system is out of date. This is particularly the case if you do not have the KB3173424 and KB3172614 patch updates installed. 

To install these updates, navigate to the Microsoft Update Catalog to download the KB3173424, and KB3172614 updates. Thereafter, you need to execute the download.msu installer, using the “Run as Administrator option. 

Now you know need to follow the on-screen prompts to install these updates. Once the process is completed, restart the PC for the changes to take effect. You may then launch the Apex Legends game to check whether the problem has been fixed. 

Final Verdict 

Since the launch of the game in 2009, Apex Legends fans have experienced a date share of glitches and error codes. If you are getting the r5apex.exe error code, you will not be able to launch the game until the problem is fixed. Sadly, even reinstalling the Apex Legends and Origin apps will not fix the problem. Regardless of the cause, the above-described solutions will help you clear the Invalid game executable r5apex.exe error. 

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