Unable to attach/remove from attachment popup window as Remove/Choose files buttons are missingIssue Symptoms Attachments popup is empty or only the attachment link(s) is(are) showing. This is the popup that shows when a user goes to a form and click on the Attachment icon found in the header of the form. Also, it appears when the user clicks the link 'Manage Attachments' that shows at the top of the page when the record already have an attachment on it. SCENARIO 1: When the record does not contain Attachments Unexpected behavior: Expected behavior: SCENARIO 2: When the record does contain Attachments, the check box by the attachment link and the button "Remove" do not show. Unexpected behavior: Expected behavior: Release London Cause The issue can be related to the Script Include "AttachmentSecurity" (for example, customized with bad code, missing, or deactivated) Resolution To provide the immediate relief you can just import the AttachmentSecurity script include attached in this article 'London_AttachmentSecurity_script_include.xml' using the import XML option.