# NousResearch/hermes-agent · Windows venv recreation reliability and rollback

## Open now

- Nothing open on GitHub.

These items address a bug where an unsuccessful venv rename-aside on Windows could leave an installation in a broken, unrecoverable state. The work makes the recreation process transactional and ensures a safe abort when the rename step does not complete.

## TL;DR

- 4 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 2 PR(s) closed without merging.
- A fix was merged to main in PR #86686. Verify it addresses your case.
- **Recommended:** read PR #86686 (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-86686`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #83149: Windows: failed venv recreate falls back to a destructive in-place delete, leaving the install gutted with no rollback (and the blocker probe cannot run afterwards)

## Prior & competing PRs

- **#86686: fix(installer): transactional Windows venv recreation with dependency-stage rollback (#83149)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `hermes_cli/_scan_venv_blockers.py`, `scripts/install.ps1`, `tests/hermes_cli/test_scan_venv_blockers.py`, `tests/test_install_ps1_venv_recreate_safety.py`, `tests/test_install_ps1_venv_rename_abort.py`, `tests/test_install_ps1_venv_transaction_boundary.py`, `tests/test_install_unmerged_index.py`, `website/docs/getting-started/updating.md`
- **#83191: fix(install): abort Windows venv recreate when rename-aside fails (#83149)**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#86686`, `#83194`
- **#83194: fix(installer): make Windows venv recreation transactional (#83149)**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#86686`, `#83191`

## Fix status

- Merged to main in PR #86686 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-15`.
- Subsystem: `apps/bootstrap-installer`