Comfy-Org / Comfy-Org/ComfyUI

stuck ksampler -no freez-no hang-just not work

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Potential Bug
Dominant language
Python
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Merged PRs (30d)
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Description

### Custom Node Testing

- [ ] I have tried disabling custom nodes and the issue persists (see [how to disable custom nodes](https://docs.comfy.org/troubleshooting/custom-node-issues#step-1%3A-test-with-all-custom-nodes-disabled) if you need help)

### Expected Behavior

_**hi i install clean win 11 and update all hardware to last version - install last comfy or older test with basic workflow - heavy or lite or any things in ksampler not move the bar - not move steps it is 0 % - windos not hang or freez just ksampler not move- when i run comfy with cpu its good but when i run with gpu not work -win 11 seting is on hiperformens **_ iam tierd plz help me

### Actual Behavior

C:\Users\Akasi\Desktop\ComfyUI_windows_portable>.\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build
Checkpoint files will always be loaded safely.
Total VRAM 8192 MB, total RAM 32682 MB
pytorch version: 2.8.0+cu129
Set vram state to: NORMAL_VRAM
Device: cuda:0 NVIDIA GeForce RTX 3070 Ti : cudaMallocAsync
Using pytorch attention
Python version: 3.13.6 (tags/v3.13.6:4e66535, Aug 6 2025, 14:36:00) [MSC v.1944 64 bit (AMD64)]
ComfyUI version: 0.3.60
ComfyUI frontend version: 1.26.13
[Prompt Server] web root: C:\Users\Akasi\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\comfyui_frontend_package\static

Import times for custom nodes:
0.0 seconds: C:\Users\Akasi\Desktop\ComfyUI_windows_portable\ComfyUI\custom_nodes\websocket_image_save.py

Context impl SQLiteImpl.
Will assume non-transactional DDL.
No target revision found.
Starting server

To see the GUI go to: http://127.0.0.1:8188
got prompt
model weight dtype torch.float16, manual cast: None
model_type EPS
Using pytorch attention in VAE
Using pytorch attention in VAE
VAE load device: cuda:0, offload device: cpu, dtype: torch.bfloat16
CLIP/text encoder model load device: cuda:0, offload device: cpu, current: cpu, dtype: torch.float16
Requested to load SD1ClipModel
loaded completely 5687.8 235.84423828125 True
Requested to load BaseModel
loaded completely 5395.830715942383 1639.406135559082 True
0%| | 0/10 [00:00

### Debug Logs

```powershell
no error show
```

### Other

cpu = ryzen7 5800x
gpu = zotac rtx 3070 ti 8 gig
ram = 32
win 11 25h2 26200

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