Problems starting Comfy Desktop v0.8.36

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1

I have problems starting Comfy Desktop v0.8.36

Can someone help?

Here ist the Log

[2026-05-01 10:13:03.644] [info] Adding extra search path custom_nodes C:\ComfyUI\custom_nodes

[2026-05-01 10:13:03.646] [info] Adding extra search path download_model_base C:\ComfyUI\models
Adding extra search path custom_nodes D:\ComfyUI\resources\ComfyUI\custom_nodes
Setting output directory to: C:\ComfyUI\output
Setting input directory to: C:\ComfyUI\input
Setting user directory to: C:\ComfyUI\user

[2026-05-01 10:13:05.803] [info] [START] Security scan
[DONE] Security scan
** ComfyUI startup time:
[2026-05-01 10:13:05.804] [info] 2026-05-01 10:13:05.803
** Platform: Windows
** Python version: 3.12.11 (main, Aug 18 2025, 19:17:54) [MSC v.1944 64 bit (AMD64)]
** Python executable: C:\ComfyUI.venv\Scripts\python.exe
** ComfyUI Path: D:\ComfyUI\resources\ComfyUI
** ComfyUI Base Folder Path: D:\ComfyUI\resources\ComfyUI
** User directory: C:\ComfyUI\user
** ComfyUI-Manager config path: C:\ComfyUI\user__manager\config.ini
** Log path: C:\ComfyUI\user\comfyui.log

[2026-05-01 10:13:06.825] [info] [ComfyUI-Manager] Skipped fixing the ‘comfyui-frontend-package’ dependency because the ComfyUI is outdated.

[2026-05-01 10:13:06.827] [info] [PRE] ComfyUI-Manager

[2026-05-01 10:13:12.564] [error] Windows fatal exception: access violation

[2026-05-01 10:13:12.565] [error] Stack (most recent call first):
File “C:\ComfyUI.venv\Lib\site-packages\torch\cuda_init_.py”, line 182 in is_available
File “C:\ComfyUI.venv\Lib\site-packages\comfy_kitchen\backends\cuda_init_.py”, line 639 in register
File "C:\ComfyUI.venv\Lib\site-packages\comfy_kitchen\backends\cuda_init.py", line 650 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “”, line 488 in _call_with_frames_removed
File “”, line 1415 in handle_fromlist
File "C:\ComfyUI.venv\Lib\site-packages\comfy_kitchen_init.py", line 3 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “D:\ComfyUI\resources\ComfyUI\comfy\quant_ops.py”, line 5 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “D:\ComfyUI\resources\ComfyUI\comfy\memory_management.py”, line 8 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “D:\ComfyUI\resources\ComfyUI\comfy\utils.py”, line 25 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “D:\ComfyUI\resources\ComfyUI\main.py”, line 196 in

2

I am having a similar issue

[2026-05-03 18:42:06.770] [info] ** Platform: Windows
** Python version: 3.12.11 (main, Aug 18 2025, 19:17:54) [MSC v.1944 64 bit (AMD64)]
** Python executable: C:\APPS\Comfy.venv\Scripts\python.exe
** ComfyUI Path: C:\APPS\Comfy\ComfyUI\resources\ComfyUI
** ComfyUI Base Folder Path: C:\APPS\Comfy\ComfyUI\resources\ComfyUI
** User directory: C:\APPS\Comfy\user
** ComfyUI-Manager config path: C:\APPS\Comfy\user__manager\config.ini
** Log path: C:\APPS\Comfy\user\comfyui.log

[2026-05-03 18:42:07.254] [info] [ComfyUI-Manager] Skipped fixing the ‘comfyui-frontend-package’ dependency because the ComfyUI is outdated.

[2026-05-03 18:42:07.255] [info] [PRE] ComfyUI-Manager

[2026-05-03 18:42:08.269] [error] Windows fatal exception: access violation

Looking in Main.log

[2026-05-03 18:42:05.519] [info] Sending queued message {“channel”:“loading-progress”,“data”:{“status”:“starting-server”}}
[2026-05-03 18:42:08.880] [error] Python process exited with code 3221225477 and signal null
[2026-05-03 18:42:08.889] [error] Unhandled exception during server start Error: Python process exited with code 3221225477 and signal null
at ChildProcess. (C:\APPS\Comfy\ComfyUI\resources\app.asar.vite\build\main.cjs:38845:18)
at ChildProcess.emit (node:events:519:28)
at ChildProcess._handle.onexit (node:internal/child_process:294:12)
[2026-05-03 18:42:35.442] [error] @todesktop/runtime: alwaysResolve: Promise timed out after 30000ms

4

I’m having issues with running Comfy UI. Here’s the log file.

[2026-05-09 17:31:22.426] [info] comfy-aimdo failed to load: Could not find module ‘C:\Users\jlund\Documents\ComfyUI.venv\Lib\site-packages\comfy_aimdo\aimdo.dll’ (or one of its dependencies). Try using the full path with constructor syntax.
NOTE: comfy-aimdo is currently only support for Nvidia GPUs

[2026-05-09 17:31:22.570] [info] Adding extra search path checkpoints C:\Users\jlund\Documents\ComfyUI\models\checkpoints
Adding extra search path classifiers C:\Users\jlund\Documents\ComfyUI\models\classifiers

[2026-05-09 17:31:22.571] [info] Adding extra search path clip C:\Users\jlund\Documents\ComfyUI\models\clip
Adding extra search path clip_vision C:\Users\jlund\Documents\ComfyUI\models\clip_vision
Adding extra search path configs C:\Users\jlund\Documents\ComfyUI\models\configs
Adding extra search path controlnet C:\Users\jlund\Documents\ComfyUI\models\controlnet
Adding extra search path diffusers C:\Users\jlund\Documents\ComfyUI\models\diffusers
Adding extra search path diffusion_models C:\Users\jlund\Documents\ComfyUI\models\diffusion_models
Adding extra search path embeddings C:\Users\jlund\Documents\ComfyUI\models\embeddings
Adding extra search path gligen C:\Users\jlund\Documents\ComfyUI\models\gligen
Adding extra search path hypernetworks C:\Users\jlund\Documents\ComfyUI\models\hypernetworks
Adding extra search path loras C:\Users\jlund\Documents\ComfyUI\models\loras
Adding extra search path photomaker C:\Users\jlund\Documents\ComfyUI\models\photomaker
Adding extra search path style_models C:\Users\jlund\Documents\ComfyUI\models\style_models
Adding extra search path text_encoders C:\Users\jlund\Documents\ComfyUI\models\text_encoders
Adding extra search path unet C:\Users\jlund\Documents\ComfyUI\models\unet
Adding extra search path upscale_models C:\Users\jlund\Documents\ComfyUI\models\upscale_models
Adding extra search path vae C:\Users\jlund\Documents\ComfyUI\models\vae
Adding extra search path vae_approx C:\Users\jlund\Documents\ComfyUI\models\vae_approx
Adding extra search path animatediff_models C:\Users\jlund\Documents\ComfyUI\models\animatediff_models
Adding extra search path animatediff_motion_lora C:\Users\jlund\Documents\ComfyUI\models\animatediff_motion_lora
Adding extra search path animatediff_video_formats C:\Users\jlund\Documents\ComfyUI\models\animatediff_video_formats
Adding extra search path ipadapter C:\Users\jlund\Documents\ComfyUI\models\ipadapter
Adding extra search path liveportrait C:\Users\jlund\Documents\ComfyUI\models\liveportrait
Adding extra search path insightface C:\Users\jlund\Documents\ComfyUI\models\insightface
Adding extra search path layerstyle C:\Users\jlund\Documents\ComfyUI\models\layerstyle
Adding extra search path LLM C:\Users\jlund\Documents\ComfyUI\models\LLM
Adding extra search path Joy_caption C:\Users\jlund\Documents\ComfyUI\models\Joy_caption
Adding extra search path sams C:\Users\jlund\Documents\ComfyUI\models\sams
Adding extra search path blip C:\Users\jlund\Documents\ComfyUI\models\blip
Adding extra search path CogVideo C:\Users\jlund\Documents\ComfyUI\models\CogVideo
Adding extra search path xlabs C:\Users\jlund\Documents\ComfyUI\models\xlabs
Adding extra search path instantid C:\Users\jlund\Documents\ComfyUI\models\instantid
Adding extra search path custom_nodes C:\Users\jlund\Documents\ComfyUI\custom_nodes
Adding extra search path download_model_base C:\Users\jlund\Documents\ComfyUI\models
Adding extra search path custom_nodes F:\Users\jlund\AppData\Local\Programs\ComfyUI\resources\ComfyUI\custom_nodes
Setting output directory to: C:\Users\jlund\Documents\ComfyUI\output
Setting input directory to: C:\Users\jlund\Documents\ComfyUI\input
Setting user directory to: C:\Users\jlund\Documents\ComfyUI\user

[2026-05-09 17:31:23.754] [info] [START] Security scan
[DONE] Security scan
** ComfyUI startup time:
[2026-05-09 17:31:23.755] [info] 2026-05-09 17:31:23.753
** Platform: Windows
** Python version: 3.12.11 (main, Aug 18 2025, 19:17:54) [MSC v.1944 64 bit (AMD64)]
** Python executable: C:\Users\jlund\Documents\ComfyUI.venv\Scripts\python.exe
** ComfyUI Path: F:\Users\jlund\AppData\Local\Programs\ComfyUI\resources\ComfyUI
** ComfyUI Base Folder Path: F:\Users\jlund\AppData\Local\Programs\ComfyUI\resources\ComfyUI
** User directory: C:\Users\jlund\Documents\ComfyUI\user
** ComfyUI-Manager config path: C:\Users\jlund\Documents\ComfyUI\user__manager\config.ini
** Log path: C:\Users\jlund\Documents\ComfyUI\user\comfyui.log

[2026-05-09 17:31:24.617] [info] [ComfyUI-Manager] Skipped fixing the ‘comfyui-frontend-package’ dependency because the ComfyUI is outdated.

[2026-05-09 17:31:24.618] [info] [PRE] ComfyUI-Manager

[2026-05-09 17:31:26.302] [error] Windows fatal exception: access violation

Stack (most recent call first):
File “C:\Users\jlund\Documents\ComfyUI.venv\Lib\site-packages\torch\cuda_init_.py”, line 182 in is_available
File “C:\Users\jlund\Documents\ComfyUI.venv\Lib\site-packages\comfy_kitchen\backends\cuda_init_.py”, line 639 in register
File "C:\Users\jlund\Documents\ComfyUI.venv\Lib\site-packages\comfy_kitchen\backends\cuda_init.py", line 650 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in
[2026-05-09 17:31:26.303] [error] _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “”, line 488 in _call_with_frames_removed
File “”, line 1415 in handle_fromlist
File "C:\Users\jlund\Documents\ComfyUI.venv\Lib\site-packages\comfy_kitchen_init.py", line 3 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “F:\Users\jlund\AppData\Local\Programs\ComfyUI\resources\ComfyUI\comfy\quant_ops.py”, line 5 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “F:\Users\jlund\AppData\Local\Programs\ComfyUI\resources\ComfyUI\comfy\memory_management.py”, line 8 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “F:\Users\jlund\AppData\Local\Programs\ComfyUI\resources\ComfyUI\comfy\utils.py”, line 25 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “F:\Users\jlund\AppData\Local\Programs\ComfyUI\resources\ComfyUI\main.py”, line 196 in

5

Same here:
[2026-05-10 18:31:38.628] [info] Adding extra search path custom_nodes C:\Users\bcs1\Documents\ComfyUI\custom_nodes
Adding extra search path download_model_base C:\Users\bcs1\Documents\ComfyUI\models

[2026-05-10 18:31:38.630] [info] Adding extra search path custom_nodes C:\Users\bcs1\AppData\Local\Programs\ComfyUI\resources\ComfyUI\custom_nodes
Setting output directory to: C:\Users\bcs1\Documents\ComfyUI\output
Setting input directory to: C:\Users\bcs1\Documents\ComfyUI\input
Setting user directory to: C:\Users\bcs1\Documents\ComfyUI\user

[2026-05-10 18:31:40.379] [info] [START] Security scan
[DONE] Security scan
** ComfyUI startup time: 2026-05-10 18:31:40.391

2026-05-10 18:31:40.380\] \[info

** Platform: Windows
** Python version: 3.12.11 (main, Aug 18 2025, 19:17:54) [MSC v.1944 64 bit (AMD64)]
** Python executable: C:\Users\bcs1\Documents\ComfyUI.venv\Scripts\python.exe
** ComfyUI Path: C:\Users\bcs1\AppData\Local\Programs\ComfyUI\resources\ComfyUI
** ComfyUI Base Folder Path: C:\Users\bcs1\AppData\Local\Programs\ComfyUI\resources\ComfyUI
** User directory:
[2026-05-10 18:31:40.383] [info] C:\Users\bcs1\Documents\ComfyUI\user
** ComfyUI-Manager config path: C:\Users\bcs1\Documents\ComfyUI\user__manager\config.ini
** Log path: C:\Users\bcs1\Documents\ComfyUI\user\comfyui.log

[2026-05-10 18:31:41.597] [info] [ComfyUI-Manager] Skipped fixing the ‘comfyui-frontend-package’ dependency because the ComfyUI is outdated.

[2026-05-10 18:31:41.599] [info] [PRE] ComfyUI-Manager

[2026-05-10 18:31:43.850] [error] Windows fatal exception: access violation

Stack (most recent call first):
File “C:\Users\bcs1\Documents\ComfyUI.venv\Lib\site-packages\torch\cuda_init_.py”, line 182 in is_available
File “C:\Users\bcs1\Documents\ComfyUI.venv\Lib\site-packages\comfy_kitchen\backends\cuda_init_.py”, line 639 in register
File "C:\Users\bcs1\Documents\ComfyUI.venv\Lib\site-packages\comfy_kitchen\backends\cuda_init.py", line 650 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “”, line 488 in _call_with_frames_removed
File “”, line 1415 in handle_fromlist
File "C:\Users\bcs1\Documents\ComfyUI.venv\Lib\site-packages\comfy_kitchen_init.py", line 3 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331
[2026-05-10 18:31:43.851] [error] in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “C:\Users\bcs1\AppData\Local\Programs\ComfyUI\resources\ComfyUI\comfy\quant_ops.py”, line 5 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “C:\Users\bcs1\AppData\Local\Programs\ComfyUI\resources\ComfyUI\comfy\memory_management.py”, line 8 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “C:\Users\bcs1\AppData\Local\Programs\ComfyUI\resources\ComfyUI\comfy\utils.py”, line 25 in
File “”, line 488 in _call_with_frames_removed
File “”, line 999 in exec_module
File “”, line 935 in _load_unlocked
File “”, line 1331 in _find_and_load_unlocked
File “”, line 1360 in _find_and_load
File “C:\Users\bcs1\AppData\Local\Programs\ComfyUI\resources\ComfyUI\main.py”, line 196 in

6

Looking at old posts the recommendations previously were bad video drivers.
I updated the drivers to and there was an update from 26.2 to 26.5 so I updated but no change
[2026-05-11 14:51:10.877] [info] [PRE] ComfyUI-Manager

[2026-05-11 14:51:12.013] [error] Windows fatal exception: access violation