Update failed: Download failed. cURL error 28

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    I constantly get an error like this:

    “Update failed: Download failed. cURL error 28: Connection timed out after 10004 milliseconds”

    No matter the browser, it just pops up. I have stopped to update as it is a pain in the you know where 😉 to try it a dozen of times and hope that this time it will do its job.

    It works in a random way.

    Today I have logged into one website, updated it, went to another of mine, and boom the error of doom. So I have tried my third website and the same. Cleared cache, used another browser and always the same error.

    Any hints what to do?

    AITpro Admin

    This help post on wpbeginner.com covers a few possible causes for this problem > https://www.wpbeginner.com/wp-tutorials/how-to-fix-curl-error-28-connection-timed-out-after-x-milliseconds/.

    Before you do any of these things below you should first check to see if your host is experiencing problems.  Typically web hosts will not tell you that they are experiencing global outages or problems.  So you would need to check sites such as IsItDownRightNow > https://www.isitdownrightnow.com/ to check that.  Or a site like Host-Tracker > https://www.host-tracker.com/ to check your host server.

    The first thing you should check/change is your PHP server version.  If your host offers PHP 8.x.x then switch to PHP 8.x.x in your web host control panel.  Next check your php memory on the BPS System Info page.  You should have at least 256M of allocated php memory.  The most likely plugins that could cause some sort of WP API connectivity problems would be caching plugins or plugins that use a WAF (Wordfence, Sucuri, et) or Proxy (Cloudflare, etc).  BPS Pro uses an htaccess firewall and not a WAF. So BPS Pro would not interfere with the WP API.  Temporarily deactivate any plugins that could be causing a connectivity/communication problem.

    Also if the wordpress.org site is having issues then you will see this error.  I have only seen that happen a couple of times in 10 years. So it is very unlikely that wordpress.org is having issues.

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