# Collabora update from 6.4 to 21 has made initialisation in Nextcloud very slow

**URL:** <https://forum.collaboraonline.com/t/collabora-update-from-6-4-to-21-has-made-initialisation-in-nextcloud-very-slow/771>\
**Category:** Installation & Configuration\
**Created:** [December 14, 2021, 12:59pm UTC](https://forum.collaboraonline.com/t/collabora-update-from-6-4-to-21-has-made-initialisation-in-nextcloud-very-slow/771 "2021-12-14T12:59:40Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![pedro.silva](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.collaboraonline.com/pedro.silva/32/4_2.png) [@pedro.silva](https://forum.collaboraonline.com/u/pedro.silva)\
**Post date:** [January 20, 2022, 9:41am UTC](https://forum.collaboraonline.com/t/collabora-update-from-6-4-to-21-has-made-initialisation-in-nextcloud-very-slow/771/6 "2022-01-20T09:41:56Z")

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Thanks for the follow up, it seems that somehow your FF is being blocked or unable to access the normal end points that your other browser is able to connect to. It can be some obscure issue and I think it makes sense to further investigate this. Meanwhile could you please test it with:

- both those extensions turned off
- and.or just to be sure restart FF in safe mode? Here is how:  
 ![image](https://europe1.discourse-cdn.com/flex013/uploads/collaboraonline/original/1X/32de8a8da9968bb8f82ecce75db98fe87c2edee9.png)  
 ![image](https://europe1.discourse-cdn.com/flex013/uploads/collaboraonline/original/1X/1a7df9b628e7c02c0e6ed7910f680954b729b5dd.png)  
 ![image](https://europe1.discourse-cdn.com/flex013/uploads/collaboraonline/original/1X/8d31e297932326aa51f3d94452610409f5dda9b7.png)

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