# Cannot authenticate with installed SSL Certificate

**URL:** <https://meta.discourse.org/t/cannot-authenticate-with-installed-ssl-certificate/38417>\
**Category:** Self-hosting\
**Created:** [January 25, 2016, 2:26am UTC](https://meta.discourse.org/t/cannot-authenticate-with-installed-ssl-certificate/38417 "2016-01-25T02:26:33Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)\
**Post date:** [January 26, 2016, 9:57am UTC](https://meta.discourse.org/t/cannot-authenticate-with-installed-ssl-certificate/38417/6 "2016-01-26T09:57:17Z")

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> [@chathura](#):
>
> ERR\_SPDY\_PING\_FAILED

hmmm our current config uses HTTP/2 when is the last time you ran `./launcher rebuild app` ?

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