# Extension site not found

**URL:** <https://discourse.slicer.org/t/extension-site-not-found/46484>\
**Category:** Support\
**Tags:** extensions-manager\
**Created:** [March 17, 2026, 2:00pm UTC](https://discourse.slicer.org/t/extension-site-not-found/46484 "2026-03-17T14:00:22Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [March 17, 2026, 2:06pm UTC](https://discourse.slicer.org/t/extension-site-not-found/46484/2 "2026-03-17T14:06:02Z")

</div>

An announcement will be made at [Extension server is down](https://discourse.slicer.org/t/extension-server-is-down/46478) , once it is fixed.

Slicer 5.10.0 extensions could be directly accessed via [SPKC](https://slicer-packages.kitware.com/#collection/5f4474d0e1d8c75dfc70547e/folder/69120522ac7b1c95e7937500)

Latest Slicer Preview 5.11.0 rev 34460 can be directly accessed via [SPKC](https://slicer-packages.kitware.com/#collection/5f4474d0e1d8c75dfc70547e/folder/69b8e7f70716b743fc035a80)

---

_[View the full topic](https://discourse.slicer.org/t/extension-site-not-found/46484)._