Cant search themes or plugins

An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.

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The problem site is HERE

This i have seen many have problem and google around, but never found an good answer.
Some have just with plugins, some both, and some just Themenes…
Cant update site from dashboard also.

You cant se a error message????! Well, i know you cant see the message, but what i copy/past in here, the error message is again:

This i have seen many have problem and google around, but never found an good answer.
Some have just with plugins, some both, and some just Themenes…
Cant update site from dashboard also.

I’m talking about inside as admin, on the dashboard, when i search for new themes and plugins that message is comming!

All and everything have been try disable without any luck.
No i’m not behind any proxy.
It is mine server everything is on, and i have several WordPress install’s and almost all have same seup and same plugins and stuff on them. But this is the only one with this problem.

Here is other post’s i have found usefull, but nothing solve my problem!

http://wordpress.org/support/topic/cant-search-for-plugins?replies=5

http://wordpress.org/support/topic/cant-get-new-themes?replies=20

http://wordpress.org/support/topic/cannot-access-new-themes?replies=35

There are many more

I cant search any plugins or themes.

What do you see when you try? What is the text of the error message?

I se nothing else then that error message i have copy/paste two times.

But this is the only one with this problem.

Have you tried the usual troubleshooting steps on that one troubled installation?

– Deactivate all of your plugins

As i have written, yes i have deactivate all stuff and try again.

– Switch to the Twenty Fourteen theme

I have try, i also removed all themes, and then isntall one more time fresh. No luck. (as manual stuff work, but not within dashboard)

– Clear your cache and cookies

Say what?… Should have nothing to do with it, but same problem on 4 different computer here. Nothing to do with my computer!.

– Relogin and try to search again.

Many times in and out, and as above, on several computers with same problem. On “THAT” site, but non of the other sites on same server.

So what’s different on that one install from your other installation?

More or less nothing, except content, and some other smaller stuff. Thing is, it just happen. One day i look into all the WP isntall and see if there was any updates or something to do.
When i came to this “problem site”, i could not update it, i cant search plugins, and themes. And that message comes up.

So, i started googling and other stuff. Like some of the links i have posted. But cant find any content that helps. Some post talks about API, and some not working and some are.. dont know what this thing is all about?

The ones that are working are they vhosts running the same PHP and modules on the same server? It sounds like it is but I’m just trying to make sure.

Same all.