en-US.jar:
locale/en-US/global/nsHelperAppDlg.dtd (helperAppDlg/locale/en-US/nsHelperAppDlg.dtd)
locale/en-US/global/nsHelperAppDlg.properties (helperAppDlg/locale/en-US/nsHelperAppDlg.properties)
toolkit.jar:
content/global/nsHelperAppDlg.xul (helperAppDlg/nsHelperAppDlg.xul)