Apex Legends Instruction at * referenced memory at * Memory could Not be Read

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@ElementalGamer97 wrote:

POSSIBLE SOLUTION: NO CRASHES FOR ONE WEEK

Hello all! I have personally fixed the issue for myself, at least during the time that has passed.

I noticed that most people having the errors below were running Windows7 64bit, and all of my friends (which were crash free) were running Windows10 64bit.

"r5apex.exe - Application Error The instruction at 0x00000000 referenced memory at 0x00000000. The memory could not be written."
"r5apex.exe - Application Error The instruction at 0x(characters vary here) referenced memory at 0x(characters vary here). The memory could not be read.

I had attempted many recommended 'solutions' such as: 

• Disabling all overlays (Origin in-game overlay, fps counters, discord etc)
• Performing many clean re-installations of multiple graphics drivers including v417.17 
• Uninstalled and reinstalled Apex Legends, as well as Origin
• Uninstalling all Microsoft Visual C++ Versions and only installing those required for Apex Legends
• Repairing Apex Legends
• Reinstalling Origin and Apex Legends onto the same drive as Windows (Previously had installed on secondary SSD)
• Disconnecting every drive except Boot Drive (Which obviously had Origin and Apex Legends as well)
• Changing pagefile settings
• Tried +fps_max (varying values here) in launch options
• Turning down all graphics settings to the lowest
• Disabling anti-virus(es)
• Fullscreen, borderless fullscreen, windowed
• Disabling/Enabling varying combinations of G-Sync, V-Sync
• Reseating my RAM (I have 2x4GB sticks, and 4 slots on my motherboard) 

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BEFORE PERFORMING: THIS IS NOT A GUARANTEED FIX. I'M NOT TO BLAME FOR OTHER PROBLEMS THIS MAY INTRODUCE TO YOUR SYSTEM. HOWEVER, IT FIXED THE PROBLEM FOR ME, AND COULD POSSIBLY FIX IT FOR YOU TOO. EVEN IF IT DOES FIX THE PROBLEM, IT MAY NOT BE A PERMANENT FIX. I HAVE ONLY BEEN CRASH FREE FOR ONE WEEK, ~3-6 HOURS EVERYDAY. (yes im addicted) PERFORM AT OWN RISK, I AM NOT RESPONSIBLE.

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So, I decided to upgrade to Windows 10, thanks to my current version of Windows 7 64bit, I was able to upgrade to Windows 10 for free. Download for Windows 10

NOTE: I moved Apex Legends to a secondary harddrive, as I required more space on said drive to install windows 10)

After Windows 10 was installed, I did no troubleshooting, and decided to give the game a go. After a couple games, I received this error message: "bad_module_info has stopped working" Hoping it was a one off thing, I decided to keep playing, however the same error kept reoccurring (But never the Referenced Memory error).

So, to fix this problem, I: (disclaimer; I did all of this simultaneously, not all steps may ultimately be required)

1. Installed Version 417.17 Graphics Drivers (Find the correct one for your graphics card HERE)
2. Set the games launch options to +fps_max 100 (Origin, game library, settings, game properties, advanced launch options) 
3. Disabling full screen optimisations, run this program as as administrator options on desktop shortcut (Right click, properties, compatibility, tick appropriate boxes, and I also hit "Change settings for all users" as sometimes this boxes unchecked themselves) 
4. Turning on "prefer max performance" for power management mode for both, Windows 10 and in NVIDIA Control panel. (For windows: windows key, settings, system, power & sleep, additional power settings, 'High Performance') (For NVIDIA: NVIDIA control panel, program settings (or global, your choice), Power management mode, prefer maximum performance. 
5. Disabling origin in-game overlay (Click username, application settings, more, origin in-game, disable origin in-game
6. Increasing Pagefile size (on the drive which has, windows 10, origin and apex legends installed onto) to 16000mb min, 20000mb max

Additional tip...?

If you need more space on the drive like myself, you can move or delete the windows.old folder elsewhere (you will need this folder if you choose to downgrade back to the older version of windows) You may be stopped by a "you need permission from TrustedInstaller to make changes to this folder" I won't cover how to bypass this here, I'm sure you can find your own solution!

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This is quite an extreme 'fix' just to play one game, which may possibly introduce more problems in other games that you play. However, this game seems to be what all my friends are playing, and crashing constantly was really grinding my gears, and I was willing to try everything. I hope this fixes the problem for more people, but beware the developers have addressed the PC Crashes and the problem may eventually be fixed.  

“We have to account for thousands of different hardware configurations and settings so reproducing many crashes, applying, and testing the fixes will take time.”

If you really prefer Windows 7, you could downgrade back to Windows 7 when the problem has been fixed properly and officially by Respawn. Good luck!

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My System:

• i5 4460 @ 3.20 GHz 
• GTX 970 MSI
• 2x4GB Kingston HyperX DDR3
• MSI B85M-E45
• 1920x1080, 144hz G-Sync (AOC G2460PG)
• Windows 7 64bit Windows 10 Home 64bit 
• 3 Drives:
• Intel 530 Series 120GB SSD (With windows, origin and apex legends installed)
• Seagate HDD 1TB 
• Kingston A400 SSD 480GB

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Thanks for sharing those details steps with everyone, @ElementalGamer97