diff --git a/var/langs/en/core.po b/var/langs/en/core.po
index 067561f..991f7d9 100644
--- a/var/langs/en/core.po
+++ b/var/langs/en/core.po
@@ -1364,10 +1364,6 @@ msgctxt "Languages::broken_po_pack"
 msgid "Incorrect PO-pack structure. The uploaded pack cannot be installed."
 msgstr "Incorrect PO-pack structure. The uploaded pack cannot be installed."
 
-msgctxt "Languages::incorrect_po_pack_structure"
-msgid "The structure of package that contains \".po\" translation files located at <b>\"[pack_path]\"</b> is incorrect."
-msgstr "The structure of package that contains \".po\" translation files located at <b>\"[pack_path]\"</b> is incorrect."
-
 msgctxt "Languages::browse"
 msgid "Browse..."
 msgstr "Browse..."
@@ -13032,9 +13028,9 @@ msgctxt "Languages::default_currency_status"
 msgid "Status of the Primary currency cannot be changed"
 msgstr "Status of the Primary currency cannot be changed"
 
-msgctxt "Languages::warning_https_is_disabled"
-msgid "The secure connection check has failed. Please ensure that SSL certificate is installed on your server."
-msgstr "The secure connection check has failed. Please ensure that SSL certificate is installed on your server."
+msgctxt "Languages::warning_https_disabled"
+msgid "The secure connection check has failed. Please check HTTPS settings in the \"config.php\" file and make sure that SSL certificate is installed on your server."
+msgstr "The secure connection check has failed. Please check HTTPS settings in the \"config.php\" file and make sure that SSL certificate is installed on your server."
 
 msgctxt "Languages::warning_insecure_admin_script"
 msgid "It is strongly recommended that you rename the default <b>admin.php</b> script (check the <a href=\"[href]\" target=\"_blank\">Knowledge base</a>) for security reasons."
@@ -13360,9 +13356,9 @@ msgctxt "Languages::development"
 msgid "Development"
 msgstr "Development"
 
-msgctxt "Languages::po_file_is_incorrect"
-msgid "PO-file <b>\"[file]\"</b> contains syntax errors or incorrect structure."
-msgstr "PO-file <b>\"[file]\"</b> contains syntax errors or incorrect structure."
+msgctxt "Languages::check_po_file"
+msgid "PO-file contains syntax errors or incorrect structure. Please re-check it and upload again."
+msgstr "PO-file contains syntax errors or incorrect structure. Please re-check it and upload again."
 
 msgctxt "Languages::product_option_delimiter"
 msgid "Option delimiter"
@@ -15812,11 +15808,3 @@ msgstr "I agree and continue"
 msgctxt "Languages::upgrade_center.error_unable_to_prepare_restore"
 msgid "Unable to prepare restore script."
 msgstr "Unable to prepare restore script."
-
-msgctxt "Languages::text_cc_javascript_disabled"
-msgid "Note! Your browser has the <b>JavaScript</b> disabled. To pay for your order click"
-msgstr "Note! Your browser has the <b>JavaScript</b> disabled. To pay for your order click"
-
-msgctxt "Languages::cc_button_submit"
-msgid "Proceed to checkout"
-msgstr "Proceed to checkout"