Cyberpunk 2077

Cyberpunk 2077

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How to solve this error?
Error reason: Unhandled exception
Expression: EXCEPTION_ACCESS_VIOLATION (0xC0000005)
Message: The thread attempted to write to an inaccessible address at 0x7FFD8E4F5BA1.
File: <Unknown>(0)
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Showing 1-14 of 14 comments
Computer configuration 13900k 4090 newly installed machine, win10 operating system, nothing else, just steam and 2077
adema066 Oct 15, 2023 @ 8:08pm 
Originally posted by 王大白(●-●):
Error reason: Unhandled exception
Expression: EXCEPTION_ACCESS_VIOLATION (0xC0000005)
Message: The thread attempted to write to an inaccessible address at 0x7FFD8E4F5BA1.
File: <Unknown>(0)

I had the same exact problem... follow the post I made here: https://steamcommunity.com/app/1091500/discussions/0/3875967397716463055/

I haven't crashed once since applying this. Make sure you check it stays applied and re-apply as necessary if you restart your PC.
Lil Puppy Oct 15, 2023 @ 8:15pm 
It's a driver issue, clean your driver with DDU and reinstall.
Expression: EXCEPTION_ACCESS_VIOLATION (0xC0000005) is ALWAYS a driver issue.
adema066 Oct 15, 2023 @ 8:27pm 
Originally posted by Lil Puppy:
It's a driver issue, clean your driver with DDU and reinstall.
Expression: EXCEPTION_ACCESS_VIOLATION (0xC0000005) is ALWAYS a driver issue.

Sorry, but I did a fresh install of Windows and still got this error with a clean install of everything. It's already been noted the fix I posted is what resolves it. You need to turn your cores down manually.
gnt2hk Oct 15, 2023 @ 9:22pm 
Originally posted by adema066:
Originally posted by Lil Puppy:
It's a driver issue, clean your driver with DDU and reinstall.
Expression: EXCEPTION_ACCESS_VIOLATION (0xC0000005) is ALWAYS a driver issue.

Sorry, but I did a fresh install of Windows and still got this error with a clean install of everything. It's already been noted the fix I posted is what resolves it. You need to turn your cores down manually.

What do I do if I am using AMD CPU?
Bogmore Oct 15, 2023 @ 9:37pm 
Follow the link in the second post.
gnt2hk Oct 15, 2023 @ 9:39pm 
Originally posted by Bogmore:
Follow the link in the second post.

His method is for ppl with Intel CPU, not AMD CPU
r.blahynka Oct 28, 2023 @ 1:41am 
Hi. I got these errors after updating to 2.0 and Phantom Liberty. I tried uninstalling the GPU drivers, several times and a few other things - in the end, I think at least in my case it's the DX12 cache. The first time I tried to wipe it, it seemed like it wiped itself, but then i noticed it's still in the list with some 300 kB of data. I wiped it again and since then no crashing.

Then at one point when I was quitting the game, the game crashed so badly that the PC restarted. After that it started crashing again with the Access Violation error, always shortly after sarting up and loading a save. I wiped the DX12 cache again and since then no crashing again.

So I think that is the problem, which can get hidden in all the other remedies you try.
Razumen Jul 25, 2024 @ 4:36am 
If anyone reads this, I had a similar crash, and it was actually caused by a particular mod for the katana that boosted crits when attacking while airborne, etc. Removing that mod just completely fixed the issue for me.
Sebedad~ Jul 29, 2024 @ 8:50am 
Originally posted by Razumen:
If anyone reads this, I had a similar crash, and it was actually caused by a particular mod for the katana that boosted crits when attacking while airborne, etc. Removing that mod just completely fixed the issue for me.


I am also experiencing this just today. Not sure about the mod, but how to remove it when you can't even start the game?
emopitis Jul 29, 2024 @ 4:52pm 
Originally posted by Sebede~:
Originally posted by Razumen:
If anyone reads this, I had a similar crash, and it was actually caused by a particular mod for the katana that boosted crits when attacking while airborne, etc. Removing that mod just completely fixed the issue for me.


I am also experiencing this just today. Not sure about the mod, but how to remove it when you can't even start the game?
In your mod manager if you're using vortex
Razumen Jul 29, 2024 @ 10:49pm 
Originally posted by Sebede~:
Originally posted by Razumen:
If anyone reads this, I had a similar crash, and it was actually caused by a particular mod for the katana that boosted crits when attacking while airborne, etc. Removing that mod just completely fixed the issue for me.


I am also experiencing this just today. Not sure about the mod, but how to remove it when you can't even start the game?
For me it only happened when I was using the katana with the mod, removing the mod stopped it from happening. It's not a weapon mod that was added by...mods. Tho I can see why there might be confusion there.

Sadly, this only worked for awhile, now my game is crashing with this error now, at random times:

Error reason: Unhandled exception
Expression: EXCEPTION_ACCESS_VIOLATION (0xC0000005)
Message: The thread caused a user-mode data execution prevention (DEP) violation at 0x46E68FF6F0.
File: <Unknown>(0)
Last edited by Razumen; Jul 29, 2024 @ 10:50pm
Originally posted by adema066:
Originally posted by 王大白(●-●):
Error reason: Unhandled exception
Expression: EXCEPTION_ACCESS_VIOLATION (0xC0000005)
Message: The thread attempted to write to an inaccessible address at 0x7FFD8E4F5BA1.
File: <Unknown>(0)

I had the same exact problem... follow the post I made here: https://steamcommunity.com/app/1091500/discussions/0/3875967397716463055/

I haven't crashed once since applying this. Make sure you check it stays applied and re-apply as necessary if you restart your PC.



Thank you very much. After using the Intel (R) Extreme Tuning Utility you mentioned, the problem was indeed solved. The multiplier of 13900k was adjusted from 55 to 53 or 52, and these large games can run again without any errors. Thanks again
Razumen Aug 3, 2024 @ 8:49pm 
Originally posted by 王大白(●-●):
Originally posted by adema066:

I had the same exact problem... follow the post I made here: https://steamcommunity.com/app/1091500/discussions/0/3875967397716463055/

I haven't crashed once since applying this. Make sure you check it stays applied and re-apply as necessary if you restart your PC.



Thank you very much. After using the Intel (R) Extreme Tuning Utility you mentioned, the problem was indeed solved. The multiplier of 13900k was adjusted from 55 to 53 or 52, and these large games can run again without any errors. Thanks again
I'm gonna suggest looking into whether your CPU is affected by the recent instability issues around voltage. ALL 13 and 14 gen processors are affected, but it takes longer for some to show symptoms. Just lowering the cores may make it stable for now, but the CPU may still degrade further into the further making even that downclock unstable. The defect with the chips means that ALL the chips are degrading fast over time, and any damage to them is irreversible.

Download the "Intel Processor Diagnostic toolkit" and have it run the tests on a loop. My system consistently causes a BSOD after a few minutes, so I'm going to request an RMA from Intel. It just seems at this point that it is the most likely cause for all of my crashes and other strange stability issues.
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Date Posted: Oct 15, 2023 @ 6:07pm
Posts: 14