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© 2026 Daz Productions Inc. All Rights Reserved.
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Try limiting CPU cores in the hardware tab, just above the CPU fallback tick box. If you have 12 cores, limit to 10, if you have 16, limit to 14. It may resolve the issue, it may not, but it will eliminate overload as a potential cause.
You are welcome.
Suppose you remember what I said about that CPU. I had to underclock because of thermal throttling. Even with an AIO I had on it.
Intel® Extreme Tuning Utility (Intel® XTU) will help you underclock.
The two images below show what my new processor does in the default state, with the voltage will throttle. It would also throttle for thermal. The second image shows where I set my CPU to prevent throttling on both thermals and voltage. I could bump it up, but why? My RTX 3090 does most of the load.
Non-complaint: Had a late morning breakfast with Symphony Buddy at Bob Evans, on Wednesday.
Pigged out on one of their big breakfast offerings. Mmmm... bacon, egg, biscuit & gravy, hashbrowns, orange juice, ham, coffee.
Complaint: The next morning my weight was up two and a half pounds.
But I still loved that breakfast.
This morning, at home, breakfast was a fresh Bosc pear, four ounces of V8 juice, and black coffee. And my weight is back to normal after the weight gaining mini-adventure mid-week. Actually, come to think of it, all my mini-adventures usually turn out as weight related mis-adventures.
The XTU won't run on my system, apparently. (see image) Not sure what to do from there.
@garett_3d : CPU load limit? Would that make a a difference if I have CPU fallback unchecked?
If you have fallback unchecked then it won't make any difference. Have you tried enabling it? If you are running out of vRAM on the GPU, this may solve the issue.
Yeah, I'm not a tech expert, but that sounds like a "your blinker fluid is low" type of diagnosis.
I just tried it with fallback on and CPU load limit set at 18 (was 20). It lasted longer (37 minutes instead of 24), but it still rebooted before the render finished.
Hmmmm. This is a strange one. It's difficult to diagnose properly when there's lightyears of cyberspace between us and your machine.
What's the duf file size? Is it an asset heavy scene?
Enable VBS via Windows Security
Press Win + I to open Settings.
Go to Privacy & Security → Windows Security → Device Security.
Under Core Isolation, click Core Isolation Details.
Turn Memory Integrity ON (this is part of VBS).
Restart your PC.
If it says Disabled, enable it in your BIOS/UEFI.
I have found that setting the CPU to fall back on doesn't always work in DAZ3D.settings
You can set Affinity in the task manager, and it always works well. Just right-click and select affinity; I set my affinity to 5 to 10 counts. I have 31 cores.
See Images.
This particular scene is about 8 MB. It's just an Ultrascenery 2 scene with nothing else in it but the HDRI for the sky. But it crashes on pretty much anything that takes a while to render.
Memory Intergrity was already on.
OK, I will try that.
edit: Nope. Didn't help. Thank you anyway.
...hmm been reading through this and never had this happen. I'm rendering with 24 GB of DDR2 on a 6 core Xeon 5660 and a Maxwell Titan-X (depreciated) with a relatively new EVGA 850W PSU and an old Nvidia driver.(the last one that supports WIn7) Rendering a scene takes time, but it doesn't crash, (though I have yet to use Ultrascenery)...
The biggest scene I ever rendered was my railway station scene which was about 10.8 GB and rendered on the CPU (didn't have a high VRAM GPU at the time). Took about 6 hours as I remember, but no crashes.
Have you done a memory test?
Windows has a tool for it: it's Windows Memory Diagnostic. In the search box on your taskbar, type Mem " and it should pop up and run it.
Non-Complaint: After three years, Simon let me hold his partial front right leg and give it light strokes and massage. No bites or nibbles. Maybe a little purr was heard.
@butterflyfish, I have nothing to add to your investigation except good thoughts for you and your computer to come through this safely and with success.
Yes, it didn't find anything.
@memcneil70 : Thank you. Also, purrs make everything worth it. Cats are the best.
I sent you a link to a few of the utilities .bat files on it to check system health, and the Scannow bat. Run as Adim, don't worry about the memory test
Got them. Thank you.
Well, I ran the files. I also shut off "Enhanced MultiCore Performance" in the BIOS and reduced the Max Processor State to 99% in Control Panel > Power Options to try and throttle the CPU a bit.
Non-complaint: I managed to run the render for 2 hours until it timed out.
Complaint: I tried gaming (Planet Coaster) and it rebooted within ten minutes.
But I'll take it. I was more concerned about rendering anyway. And I only paid $3 for the game. Thank you to everyone who helped.
Getting close. It's either the processor or the video card. Let's stress that the GPU.
FurMark2 download | Geeks3D
<3 This gave me such a smile. Thank you for sharing.
non-complaint: Yesterday Little Dude announced out of nowhere, "It's a square button" in reference to the screen on one of his learning apps.
There was, indeed, a square button on the screen.
It's wild what's important enough for words when so many other things I would think were more urgent go without.
I'm excited no matter what he's saying, but so often I can't help a "really? of all things... THAT?" reaction in the back of my head.
Apparently the free premier bundle coupon works only on the bundle. I accidentally put just the character in my cart and wondered why the coupon didn't work.
OK, I ran the test for about 30 minutes with no crashing (see image).
The repair guy did have me borrow a GTX1080 8GB, and it did the same thing (rebooted). He also said he put in a different processor and that did it, too. IDK how that figures in.
...by all rights with my ancient (now obsolete) hardware running on an OS that is almost 6-½ years past its EOL I should be experiencing such issues regularly. About the only time I get any sort off crash event, it sometimes involves the display driver when running dForce sims, not rendering.
If this is a recent situation it makes me wonder if a connection may be loose somewhere or something (possibly on the motherboard) is approaching a point of failure.
I thought of how we learn differently. Maybe this is true regardless of the challenges a person has. And it seems obscure to others and sometimes ourselves but it may be the magic of our brain cells. Happy Hugs for you all.
Mary
Why do I want to say Hey Jude when I think of Jude?
So he didn't reinstall Windows. So now I'm thinking that some program or other messing with the OS could be a random DLL. Does it show you a message or something when it reboots, like 'Your computer encoutered problem needs to restart ', or does it reboot without a message?" If it gives an error code at the bottom, write it down and give it to me.
Forgot to ask, is your repair guy from a company or a buddy?
That is obscure to me.
And to me, as well as dear Mr. T. Hardy.