What happened between 1.10.10 and 1.10.11 that would have broken the registry for me? I am on a work computer, so it is a certification issue. Julia 1.10.10 [image] Julia 1.10.11 [image] I can’t really download packages anymore.

The error there is: exception = RequestError: schannel: CertGetCertificateChain trust error CERT_TRUST_IS_UNTRUSTED_ROOT while requesting https://pkg. julialang.org/registries (please copy-paste text as text instead of posting pictures; text is immediately searchable and findable by others) Versi…

Bad cert when accessing the General registry - #13 by fredrikekre might be relevant.

Were you able to solve your problem? I am having a similar problem.

Have you tried the letsencrypt test pages that @fredrikekre linked to above? Do they work on your system? [image] Bad cert when accessing the General registry See Chains of Trust - Let's Encrypt for some more details. In particular they list a couple of test pages where you can verify the theor…

Yes, I am able to open both webpages ( https://valid-isrgrootx2.letsencrypt.org/ and https://valid-isrgrootx1.letsencrypt.org/ ) and also curl worked with both. I am currently using Julia 1.12.4 (but I also get this error with 1.10.2 and 1.11.0). My workplace has a corporate proxy, which has cause…

I currently have the older 1.10 version installed and I update registry on that one and it updates it on other versions.. but once that fails, I may be out of options

Registry fails to download with certificate error in 1.10.11

General Usage

mbauman April 6, 2026, 9:00pm 5

Have you tried the letsencrypt test pages that @fredrikekre linked to above? Do they work on your system?

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Registry fails to download with certificate error in 1.10.11

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