Recently, I set up a new Joomla 4 test website，I encountered some minor issues during the setup process，so I decided to organize them into an article。On the 'Install Languages' page in the control panel，the following error message appears：
Can't connect to https://update.joomla.org/language/translationlist_4.xml
依照上次「Joomla 無法更新 – 出現”無法打開更新網站”的錯誤訊息」的經驗，直覺應該又是與 SSL 元件有關係，但這次直接執行 httpd 時，卻不像上次一樣有錯誤訊息。後來上網爬文，依序檢查相關元件，總算找到這次問題是出在 php.ini 裡的 openssl 設定導致。
◎ 開啟 php.ini，搜尋 “extension=openssl”，Remove the semicolon comment at the beginning and save the file。
◎ Then re-enter the 'Install Languages' page，It should display properly。
Actually, besides openssl，It is also recommended to check if allow_url_fopen is enabled，If it is Off，Change it to On，You can turn it off again after the update。Keeping allow_url_fopen Off is safer normally，For details, refer to網站伺服器出現 php***.tmp 的木馬檔」這篇。
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