# NousResearch/hermes-agent · Windows renderer crash 0xC0000409 GPU recovery

## Open now

- Nothing open on GitHub.

These items concern a Windows-specific renderer process crash (STATUS_STACK_BUFFER_OVERRUN / 0xC0000409) originating in Chromium code, and a proposed fix that attempts recovery by disabling GPU acceleration. Two of the three members appear to be duplicate entries of the same fix.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #121441. Verify it addresses your case.
- **Recommended:** read PR #121441 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-121441`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Closed / duplicate issues

- #108047: \[Bug\]: Renderer process crashes with STATUS_STACK_BUFFER_OVERRUN (0xC0000409) — /GS stack cookie failure in Chromium code

## Prior & competing PRs

- **#121441: fix(desktop): recover Windows 0xC0000409 renderer crash loops by disabling GPU**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/electron/main.ts`, `apps/desktop/electron/windows-stack-cookie-fallback.test.ts`, `apps/desktop/electron/windows-stack-cookie-fallback.ts`
- **#108052: fix(desktop): recover Windows 0xC0000409 renderer crash loops by disabling GPU**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#121441`

## Fix status

- Merged to main in PR #121441 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-25`.