# Fail to install PumasAI at my laptop with window 11

**URL:** <https://discourse.pumas.ai/t/fail-to-install-pumasai-at-my-laptop-with-window-11/1302>\
**Category:** Uncategorized\
**Created:** [October 12, 2025, 2:09am UTC](https://discourse.pumas.ai/t/fail-to-install-pumasai-at-my-laptop-with-window-11/1302 "2025-10-12T02:09:08Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Michael](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.pumas.ai/michael/32/818_2.png) [@Michael](https://discourse.pumas.ai/u/Michael)\
**Post date:** [October 16, 2025, 10:51am UTC](https://discourse.pumas.ai/t/fail-to-install-pumasai-at-my-laptop-with-window-11/1302/2 "2025-10-16T10:51:10Z")

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Hi @dqiu,

Please see [Julia +Pumas@2.7.0 installation error: UndefVarError: `project_resolve_hash` not defined in `Pkg.Types` - #3 by Michael](https://discourse.pumas.ai/t/julia-pumas-2-7-0-installation-error-undefvarerror-project-resolve-hash-not-defined-in-pkg-types/1304/3), which is the same issue. Until the fix is released for this what can be done is setting your default Juliaup channel to 1.11 rather than 1.12.

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_[View the full topic](https://discourse.pumas.ai/t/fail-to-install-pumasai-at-my-laptop-with-window-11/1302)._