# Ublock stopped working

**URL:** <https://discourse.mozilla.org/t/ublock-stopped-working/38974>\
**Category:** addons.mozilla.org\
**Created:** [May 4, 2019, 12:26am UTC](https://discourse.mozilla.org/t/ublock-stopped-working/38974 "2019-05-04T00:26:02Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Ray\_Toth](https://avatars.discourse-cdn.com/v4/letter/r/dfb087/32.png) [@Ray\_Toth](https://discourse.mozilla.org/u/Ray_Toth)\
**Post date:** [May 4, 2019, 12:26am UTC](https://discourse.mozilla.org/t/ublock-stopped-working/38974/1 "2019-05-04T00:26:02Z")

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in firefoxfor disconnect me im getting it turned off plugin dew to cant varified need fixing thank so it work agen right now firefox disabled by selfits ublock

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**Author:** ![jscher2000](https://sea1.discourse-cdn.com/flex001/user_avatar/discourse.mozilla.org/jscher2000/32/28202_2.png) [@jscher2000](https://discourse.mozilla.org/u/jscher2000)\
**Post date:** [May 4, 2019, 12:59am UTC](https://discourse.mozilla.org/t/ublock-stopped-working/38974/2 "2019-05-04T00:59:07Z")

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This is all over Reddit. Everyone is looking for the answer.

[https://www.reddit.com/r/firefox/new/](https://www.reddit.com/r/firefox/new/)

Oh, and also here:

> [@Thread: Add-ons not working due to certificate expiration](https://discourse.mozilla.org/t/almost-every-add-on-is-being-shown-as-corrupt-when-installing-them/38968):
>
> My firefox updated today to latest version. As soon as I opened it, my addons were declared useless by firefox. I removed them and tried re-installing, but the site firefox sometimes says, “download failed. check your connection” even when I have a very good internet and when the extension downloads, it says, “addon could not be installed, it seems to be corrupted.” I tried reinstalling firefox multiple times, and even downloading the extension and then opening through firefox, I still get the c…

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**Author:** ![bedbear](https://avatars.discourse-cdn.com/v4/letter/b/9dc877/32.png) [@bedbear](https://discourse.mozilla.org/u/bedbear)\
**Post date:** [May 4, 2019, 1:35am UTC](https://discourse.mozilla.org/t/ublock-stopped-working/38974/3 "2019-05-04T01:35:58Z")

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Good thing theyre are listing it under staff picks. Good thing they had a solution ready before doing this right?

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**Author:** ![dgent1313](https://avatars.discourse-cdn.com/v4/letter/d/ecccb3/32.png) [@dgent1313](https://discourse.mozilla.org/u/dgent1313)\
**Post date:** [May 4, 2019, 1:45am UTC](https://discourse.mozilla.org/t/ublock-stopped-working/38974/4 "2019-05-04T01:45:25Z")

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I’m glad it’s not just me, scared the hell out of me!

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**Author:** ![yurijgera](https://avatars.discourse-cdn.com/v4/letter/y/46a35a/32.png) [@yurijgera](https://discourse.mozilla.org/u/yurijgera)\
**Post date:** [May 4, 2019, 2:26am UTC](https://discourse.mozilla.org/t/ublock-stopped-working/38974/5 "2019-05-04T02:26:46Z")

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My addons were working for years without any issues. Now all the javascript, xss, popup and other malicious site protection addons stopped working. And it can’t be even turned off. Totally exposed to all the bugs and exploits out there. Gestures not working. Feels like I am back in the 90s.

Really great work. Back to Chome until this mess is over.

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**Author:** ![jscher2000](https://sea1.discourse-cdn.com/flex001/user_avatar/discourse.mozilla.org/jscher2000/32/28202_2.png) [@jscher2000](https://discourse.mozilla.org/u/jscher2000)\
**Post date:** [May 4, 2019, 2:27am UTC](https://discourse.mozilla.org/t/ublock-stopped-working/38974/6 "2019-05-04T02:27:10Z")

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> [@bedbear](#):
>
> Good thing they had a solution ready before doing this right?

A certificate expired. Unlikely it was intentional. Not sure how it will be fixed.

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**Author:** ![caitlin](https://sea1.discourse-cdn.com/flex001/user_avatar/discourse.mozilla.org/caitlin/32/6091_2.png) [@caitlin](https://discourse.mozilla.org/u/caitlin)\
**Post date:** [May 4, 2019, 2:37am UTC](https://discourse.mozilla.org/t/ublock-stopped-working/38974/7 "2019-05-04T02:37:17Z")

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This was not intentional and we’re working on a fix right now. Please follow [Certificate issue causing add-ons to be disabled or fail to install](https://discourse.mozilla.org/t/certificate-issue-causing-add-ons-to-be-disabled-or-fail-to-install/39047) for updates.