SeedVR2 Crashes in ComfyUI: Windows Access Violation Troubleshooting

JaguarResident1524 · reddit · 2026-08-15

A user reports that running SeedVR2 video upscaler in ComfyUI on Windows 10 completes inference but crashes with a Windows access violation when cleaning up the DiT model. System: RTX 5070 Ti 16GB, peak VRAM 9.95GB, within limits. The issue likely lies in SeedVR2's memory manager moving DiT from GPU to CPU. Full stack traces and workflow provided.

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