# extensions manager website is not opening

**URL:** <https://discourse.slicer.org/t/extensions-manager-website-is-not-opening/47800>\
**Category:** Support\
**Created:** [August 4, 2026, 1:40pm UTC](https://discourse.slicer.org/t/extensions-manager-website-is-not-opening/47800 "2026-08-04T13:40:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![enjy\_sallam](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/enjy_sallam/32/82679_2.png) [@enjy\_sallam](https://discourse.slicer.org/u/enjy_sallam)\
**Post date:** [August 4, 2026, 1:40pm UTC](https://discourse.slicer.org/t/extensions-manager-website-is-not-opening/47800/1 "2026-08-04T13:40:46Z")

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extensions manager website is not opening

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/9/0/905d862a2f18e00ce980bffe1bbfb495938aef0a.png)

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**Author:** ![muratmaga](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/muratmaga/32/3622_2.png) [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Post date:** [August 4, 2026, 3:26pm UTC](https://discourse.slicer.org/t/extensions-manager-website-is-not-opening/47800/2 "2026-08-04T15:26:14Z")

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> [@enjy\_sallam](#):
>
> extensions manager website is not opening

Please read the steps linked in the screenshot (Where it says Check that Slicer is properly installed). Most likely you installed in a location extension manager cannot write to (e.g., ProgramFiles) or installed as an admin