Unable to start ! please help

[2026-04-22 09:19:41.743] [info] Adding extra search path custom_nodes C:\Users\pc\Documents\ComfyUI\custom_nodes
Adding extra search path download_model_base C:\Users\pc\Documents\ComfyUI\models
Adding extra search path custom_nodes C:\Users\pc\AppData\Local\Programs\ComfyUI\resources\ComfyUI\custom_nodes
Setting output directory to: C:\Users\pc\Documents\ComfyUI\output

[2026-04-22 09:19:41.746] [info] Setting input directory to: C:\Users\pc\Documents\ComfyUI\input
Setting user directory to: C:\Users\pc\Documents\ComfyUI\user

[2026-04-22 09:19:43.150] [info] [START] Security scan
[DONE] Security scan
** ComfyUI startup time: 2026-04-22 09:19:43.146
** Platform:
[2026-04-22 09:19:43.151] [info] Windows
** Python version: 3.12.11 (main, Aug 18 2025, 19:17:54) [MSC v.1944 64 bit (AMD64)]
** Python executable: C:\Users\pc\Documents\ComfyUI.venv\Scripts\python.exe
** ComfyUI Path: C:\Users\pc\AppData\Local\Programs\ComfyUI\resources\ComfyUI
** ComfyUI Base Folder Path: C:\Users\pc\AppData\Local\Programs\ComfyUI\resources\ComfyUI
** User directory:
[2026-04-22 09:19:43.310] [info] C:\Users\pc\Documents\ComfyUI\user
** ComfyUI-Manager config path: C:\Users\pc\Documents\ComfyUI\user__manager\config.ini
** Log path: C:\Users\pc\Documents\ComfyUI\user\comfyui.log

[2026-04-22 09:19:44.193] [info] [ComfyUI-Manager] Skipped fixing the ‘comfyui-frontend-package’ dependency because the ComfyUI is outdated.

[2026-04-22 09:19:44.194] [info] [PRE] ComfyUI-Manager

[2026-04-22 09:19:46.589] [info] Found comfy_kitchen backend cuda: {‘available’: False, ‘disabled’: True, ‘unavailable_reason’: ‘CUDA not available on this system’, ‘capabilities’: }
Found comfy_kitchen backend eager: {‘available’: True, ‘disabled’: False, ‘unavailable_reason’: None, ‘capabilities’: [‘apply_rope’, ‘apply_rope1’, ‘dequantize_mxfp8’, ‘dequantize_nvfp4’, ‘dequantize_per_tensor_fp8’, ‘quantize_mxfp8’, ‘quantize_nvfp4’, ‘quantize_per_tensor_fp8’, ‘scaled_mm_mxfp8’, ‘scaled_mm_nvfp4’]}

[2026-04-22 09:19:46.591] [info] Found comfy_kitchen backend triton: {‘available’: False, ‘disabled’: True, ‘unavailable_reason’: “ImportError: No module named ‘triton’”, ‘capabilities’: }

[2026-04-22 09:19:46.598] [info] Checkpoint files will always be loaded safely.

[2026-04-22 09:19:46.611] [error] Traceback (most recent call last):
File “C:\Users\pc\AppData\Local\Programs\ComfyUI\resources\ComfyUI\main.py”, line 198, in

[2026-04-22 09:19:46.613] [error] import execution
File “C:\Users\pc\AppData\Local\Programs\ComfyUI\resources\ComfyUI\execution.py”, line 17, in
import comfy.model_management
File “C:\Users\pc\AppData\Local\Programs\ComfyUI\resources\ComfyUI\comfy\model_management.py”, line 257, in
total_vram = get_total_memory(get_torch_device()) / (1024 * 1024)

[2026-04-22 09:19:46.614] [error] ^^^
[2026-04-22 09:19:46.615] [error] ^^^^^^^^^^^^^^^
File “C:\Users\pc\AppData\Local\Programs\ComfyUI\resources\ComfyUI\comfy\model_management.py”, line 207, in get_torch_device
return torch.device(torch.cuda.current_device())

2026-04-22 09:19:46.616\] \[error

[2026-04-22 09:19:46.617] [error] ^^^^^^^^^^^^^^^^^^^^^^^
[2026-04-22 09:19:46.618] [error] ^^^^
File “C:\Users\pc\Documents\ComfyUI.venv\Lib\site-packages\torch\cuda_init_.py”, line 1148, in current_device
lazy_init()
File "C:\Users\pc\Documents\ComfyUI.venv\Lib\site-packages\torch\cuda_init
.py", line 471, in _lazy_init

[2026-04-22 09:19:46.619] [error] raise AssertionError(“Torch not compiled with CUDA enabled”)
AssertionError: Torch not compiled with CUDA enabled