The error message when running ComfyUI on Windows Server 2019 installed via KVM is as follows (translated into English):

Open

#5,834 opened on Nov 29, 2024 4 comments 0 reactions 0 assignees View on GitHub

Dominant language: Python
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Forks: 15.7k
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Merged PRs (30d): 155

Description

# ComfyUI Error Report
## Error Details
- **Node ID:** 7
- **Node Type:** CLIPTextEncode
- **Exception Type:** RuntimeError
- **Exception Message:** CUDA error: operation not supported
CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect.
For debugging consider passing CUDA_LAUNCH_BLOCKING=1
Compile with `TORCH_USE_CUDA_DSA` to enable device-side assertions.

## Stack Trace
```
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\execution.py", line 323, in execute
output_data, output_ui, has_subgraph = get_output_data(obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\execution.py", line 198, in get_output_data
return_values = _map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\execution.py", line 169, in _map_node_over_list
process_inputs(input_dict, i)

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\execution.py", line 158, in process_inputs
results.append(getattr(obj, func)(**inputs))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\nodes.py", line 65, in encode
output = clip.encode_from_tokens(tokens, return_pooled=True, return_dict=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\sd.py", line 132, in encode_from_tokens
self.load_model()

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\sd.py", line 164, in load_model
model_management.load_model_gpu(self.patcher)

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_management.py", line 559, in load_model_gpu
return load_models_gpu([model])
^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_management.py", line 545, in load_models_gpu
cur_loaded_model = loaded_model.model_load(lowvram_model_memory, force_patch_weights=force_patch_weights)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_management.py", line 327, in model_load
raise e

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_management.py", line 323, in model_load
self.real_model = self.model.patch_model(device_to=patch_model_to, lowvram_model_memory=lowvram_model_memory, load_weights=load_weights, force_patch_weights=force_patch_weights)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_patcher.py", line 470, in patch_model
self.load(device_to, lowvram_model_memory=lowvram_model_memory, force_patch_weights=force_patch_weights, full_load=full_load)

File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_patcher.py", line 442, in load
x[2].to(device_to)

File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 1340, in to
return self._apply(convert)
^^^^^^^^^^^^^^^^^^^^

File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 900, in _apply
module._apply(fn)

[Previous line repeated 1 more time]

File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 927, in _apply
param_applied = fn(param)
^^^^^^^^^

File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 1326, in convert
return t.to(
^^^^^

```
## System Information
- **ComfyUI Version:** unknown
- **Arguments:** C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\main.py --user-directory E:\comfyui\ComfyUI\user --input-directory E:\comfyui\ComfyUI\input --output-directory E:\comfyui\ComfyUI\output --front-end-root C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\web_custom_versions\desktop_app --extra-model-paths-config C:\Users\Administrator\AppData\Roaming\ComfyUI\extra_models_config.yaml --port 8000
- **OS:** nt
- **Python Version:** 3.12.4 (main, Jul 25 2024, 21:57:00) [MSC v.1929 64 bit (AMD64)]
- **Embedded Python:** false
- **PyTorch Version:** 2.5.1+cu121
## Devices

- **Name:** cuda:0 NVIDIA H800 : cudaMallocAsync
- **Type:** cuda
- **VRAM Total:** 85418967040
- **VRAM Free:** 84875411456
- **Torch VRAM Total:** 0
- **Torch VRAM Free:** 0

## Logs
```
2024-11-28T23:30:32.365425 - [START] Security scan2024-11-28T23:30:32.365425 -
2024-11-28T23:30:42.691217 - [DONE] Security scan2024-11-28T23:30:42.691217 -
2024-11-28T23:30:42.909846 - Failed to execute startup-script: C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\custom_nodes\ComfyUI-Manager\prestartup_script.py / Failed to initialize: Bad git executable.
The git executable must be specified in one of the following ways:
- be included in your $PATH
- be set via $GIT_PYTHON_GIT_EXECUTABLE
- explicitly set via git.refresh()

All git commands will error until this is rectified.

This initial message can be silenced or aggravated in the future by setting the
$GIT_PYTHON_REFRESH environment variable. Use one of the following values:
- quiet|q|silence|s|silent|none|n|0: for no message or exception
- warn|w|warning|log|l|1: for a warning message (logging level CRITICAL, displayed by default)
- error|e|exception|raise|r|2: for a raised exception

Example:
export GIT_PYTHON_REFRESH=quiet
2024-11-28T23:30:42.925592 -
2024-11-28T23:30:42.925592 -
Prestartup times for custom nodes:2024-11-28T23:30:42.925592 -
2024-11-28T23:30:42.925592 - 10.7 seconds (PRESTARTUP FAILED):2024-11-28T23:30:42.925592 - 2024-11-28T23:30:42.925592 - C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\custom_nodes\ComfyUI-Manager2024-11-28T23:30:42.925592 -
2024-11-28T23:30:42.925592 -
2024-11-28T23:31:07.862653 - Total VRAM 81462 MB, total RAM 127999 MB
2024-11-28T23:31:07.862653 - pytorch version: 2.5.1+cu121
2024-11-28T23:31:07.862653 - Set vram state to: NORMAL_VRAM
2024-11-28T23:31:07.862653 - Device: cuda:0 NVIDIA H800 : cudaMallocAsync
2024-11-28T23:31:11.343111 - Using pytorch cross attention
2024-11-28T23:31:21.213445 - [Prompt Server] web root: C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\web_custom_versions\desktop_app
2024-11-28T23:31:21.229812 - Adding extra search path checkpoints E:\comfyui\ComfyUI\models\checkpoints\
2024-11-28T23:31:21.229812 - Adding extra search path classifiers E:\comfyui\ComfyUI\models\classifiers\
2024-11-28T23:31:21.229812 - Adding extra search path clip E:\comfyui\ComfyUI\models\clip\
2024-11-28T23:31:21.229812 - Adding extra search path clip_vision E:\comfyui\ComfyUI\models\clip_vision\
2024-11-28T23:31:21.229812 - Adding extra search path configs E:\comfyui\ComfyUI\models\configs\
2024-11-28T23:31:21.229812 - Adding extra search path controlnet E:\comfyui\ComfyUI\models\controlnet\
2024-11-28T23:31:21.230909 - Adding extra search path diffusers E:\comfyui\ComfyUI\models\diffusers\
2024-11-28T23:31:21.230909 - Adding extra search path diffusion_models E:\comfyui\ComfyUI\models\diffusion_models\
2024-11-28T23:31:21.230909 - Adding extra search path embeddings E:\comfyui\ComfyUI\models\embeddings\
2024-11-28T23:31:21.230909 - Adding extra search path gligen E:\comfyui\ComfyUI\models\gligen\
2024-11-28T23:31:21.230909 - Adding extra search path hypernetworks E:\comfyui\ComfyUI\models\hypernetworks\
2024-11-28T23:31:21.231537 - Adding extra search path loras E:\comfyui\ComfyUI\models\loras\
2024-11-28T23:31:21.231537 - Adding extra search path photomaker E:\comfyui\ComfyUI\models\photomaker\
2024-11-28T23:31:21.231537 - Adding extra search path style_models E:\comfyui\ComfyUI\models\style_models\
2024-11-28T23:31:21.231537 - Adding extra search path unet E:\comfyui\ComfyUI\models\unet\
2024-11-28T23:31:21.231537 - Adding extra search path upscale_models E:\comfyui\ComfyUI\models\upscale_models\
2024-11-28T23:31:21.231537 - Adding extra search path vae E:\comfyui\ComfyUI\models\vae\
2024-11-28T23:31:21.231537 - Adding extra search path vae_approx E:\comfyui\ComfyUI\models\vae_approx\
2024-11-28T23:31:21.231537 - Adding extra search path animatediff_models E:\comfyui\ComfyUI\models\animatediff_models\
2024-11-28T23:31:21.231537 - Adding extra search path animatediff_motion_lora E:\comfyui\ComfyUI\models\animatediff_motion_lora\
2024-11-28T23:31:21.231537 - Adding extra search path animatediff_video_formats E:\comfyui\ComfyUI\models\animatediff_video_formats\
2024-11-28T23:31:21.232619 - Adding extra search path ipadapter E:\comfyui\ComfyUI\models\ipadapter\
2024-11-28T23:31:21.232619 - Adding extra search path liveportrait E:\comfyui\ComfyUI\models\liveportrait\
2024-11-28T23:31:21.232619 - Adding extra search path insightface E:\comfyui\ComfyUI\models\insightface\
2024-11-28T23:31:21.232619 - Adding extra search path layerstyle E:\comfyui\ComfyUI\models\layerstyle\
2024-11-28T23:31:21.232619 - Adding extra search path LLM E:\comfyui\ComfyUI\models\LLM\
2024-11-28T23:31:21.232619 - Adding extra search path Joy_caption E:\comfyui\ComfyUI\models\Joy_caption\
2024-11-28T23:31:21.232619 - Adding extra search path sams E:\comfyui\ComfyUI\models\sams\
2024-11-28T23:31:21.232619 - Adding extra search path blip E:\comfyui\ComfyUI\models\blip\
2024-11-28T23:31:21.232619 - Adding extra search path CogVideo E:\comfyui\ComfyUI\models\CogVideo\
2024-11-28T23:31:21.233725 - Adding extra search path xlabs E:\comfyui\ComfyUI\models\xlabs\
2024-11-28T23:31:21.233725 - Adding extra search path instantid E:\comfyui\ComfyUI\models\instantid\
2024-11-28T23:31:21.233725 - Adding extra search path custom_nodes E:\comfyui\ComfyUI\custom_nodes/
2024-11-28T23:31:23.544452 - Traceback (most recent call last):
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\git\__init__.py", line 296, in
refresh()
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\git\__init__.py", line 287, in refresh
if not Git.refresh(path=path):
^^^^^^^^^^^^^^^^^^^^^^
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\git\cmd.py", line 631, in refresh
raise ImportError(err)
ImportError: Bad git executable.
The git executable must be specified in one of the following ways:
- be included in your $PATH
- be set via $GIT_PYTHON_GIT_EXECUTABLE
- explicitly set via git.refresh()

All git commands will error until this is rectified.

Example:
export GIT_PYTHON_REFRESH=quiet

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\nodes.py", line 2026, in load_custom_node
module_spec.loader.exec_module(module)
File "", line 995, in exec_module
File "", line 488, in _call_with_frames_removed
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\custom_nodes\ComfyUI-Manager\__init__.py", line 6, in
from .glob import manager_server
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\custom_nodes\ComfyUI-Manager\glob\manager_server.py", line 13, in
import git
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\git\__init__.py", line 298, in
raise ImportError("Failed to initialize: {0}".format(_exc)) from _exc
ImportError: Failed to initialize: Bad git executable.
The git executable must be specified in one of the following ways:
- be included in your $PATH
- be set via $GIT_PYTHON_GIT_EXECUTABLE
- explicitly set via git.refresh()

All git commands will error until this is rectified.

Example:
export GIT_PYTHON_REFRESH=quiet

2024-11-28T23:31:23.544452 - Cannot import C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\custom_nodes\ComfyUI-Manager module for custom nodes: Failed to initialize: Bad git executable.
The git executable must be specified in one of the following ways:
- be included in your $PATH
- be set via $GIT_PYTHON_GIT_EXECUTABLE
- explicitly set via git.refresh()

All git commands will error until this is rectified.

Example:
export GIT_PYTHON_REFRESH=quiet

2024-11-28T23:31:23.544452 -
Import times for custom nodes:
2024-11-28T23:31:23.544452 - 0.0 seconds: C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\custom_nodes\websocket_image_save.py
2024-11-28T23:31:23.544452 - 0.2 seconds (IMPORT FAILED): C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\custom_nodes\ComfyUI-Manager
2024-11-28T23:31:23.544452 -
2024-11-28T23:31:23.567125 - Setting output directory to: E:\comfyui\ComfyUI\output
2024-11-28T23:31:23.567741 - Setting input directory to: E:\comfyui\ComfyUI\input
2024-11-28T23:31:23.567741 - Setting user directory to: E:\comfyui\ComfyUI\user
2024-11-28T23:31:23.571686 - Starting server

2024-11-28T23:31:23.572775 - To see the GUI go to: http://127.0.0.1:8000
2024-11-28T23:32:18.516615 - Failed to get ComfyUI version: [WinError 2] The system cannot find the file specified
2024-11-28T23:33:50.940124 - got prompt
2024-11-28T23:33:51.370432 - model weight dtype torch.float16, manual cast: None
2024-11-28T23:33:51.404333 - model_type EPS
2024-11-28T23:33:54.314565 - Using pytorch attention in VAE
2024-11-28T23:33:54.317633 - Using pytorch attention in VAE
2024-11-28T23:33:55.646876 - Requested to load SD1ClipModel
2024-11-28T23:33:55.646876 - Loading 1 new model
2024-11-28T23:33:55.692539 - !!! Exception during processing !!! CUDA error: operation not supported
CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect.
For debugging consider passing CUDA_LAUNCH_BLOCKING=1
Compile with `TORCH_USE_CUDA_DSA` to enable device-side assertions.

2024-11-28T23:33:55.855981 - Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\execution.py", line 323, in execute
output_data, output_ui, has_subgraph = get_output_data(obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\execution.py", line 198, in get_output_data
return_values = _map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\execution.py", line 169, in _map_node_over_list
process_inputs(input_dict, i)
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\execution.py", line 158, in process_inputs
results.append(getattr(obj, func)(**inputs))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\nodes.py", line 65, in encode
output = clip.encode_from_tokens(tokens, return_pooled=True, return_dict=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\sd.py", line 132, in encode_from_tokens
self.load_model()
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\sd.py", line 164, in load_model
model_management.load_model_gpu(self.patcher)
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_management.py", line 559, in load_model_gpu
return load_models_gpu([model])
^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_management.py", line 545, in load_models_gpu
cur_loaded_model = loaded_model.model_load(lowvram_model_memory, force_patch_weights=force_patch_weights)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_management.py", line 327, in model_load
raise e
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_management.py", line 323, in model_load
self.real_model = self.model.patch_model(device_to=patch_model_to, lowvram_model_memory=lowvram_model_memory, load_weights=load_weights, force_patch_weights=force_patch_weights)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_patcher.py", line 470, in patch_model
self.load(device_to, lowvram_model_memory=lowvram_model_memory, force_patch_weights=force_patch_weights, full_load=full_load)
File "C:\Users\Administrator\AppData\Local\Programs\@comfyorgcomfyui-electron\resources\ComfyUI\comfy\model_patcher.py", line 442, in load
x[2].to(device_to)
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 1340, in to
return self._apply(convert)
^^^^^^^^^^^^^^^^^^^^
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 900, in _apply
module._apply(fn)
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 900, in _apply
module._apply(fn)
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 900, in _apply
module._apply(fn)
[Previous line repeated 1 more time]
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 927, in _apply
param_applied = fn(param)
^^^^^^^^^
File "E:\comfyui\ComfyUI\.venv\Lib\site-packages\torch\nn\modules\module.py", line 1326, in convert
return t.to(
^^^^^
RuntimeError: CUDA error: operation not supported
CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect.
For debugging consider passing CUDA_LAUNCH_BLOCKING=1
Compile with `TORCH_USE_CUDA_DSA` to enable device-side assertions.

2024-11-28T23:33:55.861968 - Prompt executed in 4.92 seconds
2024-11-28T23:33:56.145045 - Failed to get ComfyUI version: [WinError 2] The system cannot find the file specified

```
## Attached Workflow
Please make sure that workflow does not contain any sensitive information such as API keys or passwords.
```
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```

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(Please add any additional context or steps to reproduce the error here)

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The error message when running ComfyUI on Windows Server 2019 installed via KVM is as follows (translated into English):

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