Can't download cores, stays on "Downloading and Installing Core..." with no progress

[boztalay]

Hey,

I just got the latest official release from the website and ran OpenEmu for the first time. When I tried to play an NES game, I got a popup telling me that I needed to install the Nestopia core, so I proceeded. Now, it's just hanging in the downloading screen, not making any progress. I've tried leaving it for an hour or so and nothing happens.

This seems a bit different than the other "can't install cores" issues I read, where there was an error message about the connection. In this case, OpenEmu seems perfectly happy to wait here forever.

[clobber]

It's a problem on your end with your machine and internet connection, not a lot we can do.

Usually it has to do with your machine rejecting connections to GitHub and their SSL cert so you can try these methods to fix:

• http://superuser.com/questions/605900/why-wont-os-x-trust-githubs-ssl-certificate
• https://blog.digicert.com/expired-intermediate-certificate/

That's really all the help we can offer. Also please search next time as this issue has come up several times.

[boztalay]

Well, all that seems to be in order. I went into https://raw.githubusercontent.com/OpenEmu/OpenEmu-Update/master/nestopia_appcast.xml and just downloaded the core from https://github.com/OpenEmu/Nestopia-Core/releases/download/v1.42.5/Nestopia_1.42.5.zip using Safari and that seems to work fine, so I don't think it's a certs or network issue. This might have something to do with OpenEmu itself.

[clobber]

Nope, not anything to do with our application. Perhaps another application on your machine blocking downloads by OpenEmu.

LittleSnitch, HandsOff, firewall tools, etc all come to mind.

[boztalay]

I don't have anything like that installed, and I don't have any firewalls active (on my computer or network). I just replicated this with the SNES core. I have all of my security settings turned down to make sure that's not it either.

[notzeist]

I have exactly this same issue with the mgba core. El Cap 10.11.5.

Downloads in Safari or using cURL work fine but OpenEmu just gets stuck.

[jjm340]

I had the same exact issue with the n64 core. Even if this is an issue with configuration on our individual machines, the application should show a friendly error message and give the user some indication of what to do, just hanging there forever is bad UX.

[shaun2121]

I'm getting the same issue and have tried the same solution that clobber posts everywhere this subject comes up. My comp is brand new so idk what could be stopping it.

[shaun2121]

You guys, idk what browser you're using but I just reinstalled with safari and now it works. Idk what the difference is.

[jjm340]

Mine fixed itself after a couple restarts, IDK either.

[jakwings]

After clicking "cancel", I found that it started to put the downloaded files into the Cores directory, and the game runs well.