# Anthropic: Claude Code showing "JSON Parse error: Unexpected EOF" and writing excessive files on Windows

> Anthropic status incident “Claude Code showing "JSON Parse error: Unexpected EOF" and writing excessive files on Windows” on 2026-02-26: impact minor (vendor’s label), 3.2 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/3kjy2zn2w2bj
Last updated: 2026-02-26T23:07:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-02-26 19:57 UTC · Resolved: 2026-02-26 23:07 UTC · Duration: 3.2 h
- Updates: 1
- [Vendor status page: https://status.anthropic.com/incidents/3kjy2zn2w2bj](https://status.anthropic.com/incidents/3kjy2zn2w2bj)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **resolved** 2026-02-26 23:07 UTC: We've confirmed this issue is resolved in Claude Code v2.1.61. Run claude update for the latest.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by Anthropic, started 2026-02-26 19:57 UTC, resolved after 3.2 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/3kjy2zn2w2bj
- Citation: Anthropic, “Claude Code showing "JSON Parse error: Unexpected EOF" and writing excessive files on Windows” (2026-02-26 19:57 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/3kjy2zn2w2bj (CC BY 4.0).
- Markdown link: `[Anthropic: Claude Code showing "JSON Parse error: Unexpected EOF" and writing excessive files on Windows (2026-02-26)](https://rewindex.com/company/anthropic/incidents/3kjy2zn2w2bj)`


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Canonical: https://rewindex.com/company/anthropic/incidents/3kjy2zn2w2bj · Markdown: https://rewindex.com/company/anthropic/incidents/3kjy2zn2w2bj.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/3kjy2zn2w2bj · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:45:30.851Z