Files stored in the UPD format are more commonly known as program update information files. These .upd files are text documents, and its content can be viewed by any text editing or word processing application. Users of Microsoft Windows-based systems can use the Microsoft Notepad application to open and edit these .upd text documents.
Croup (acute laryngotracheobronchitis) on X-ray with steeple sign. Croup, also called acute laryngotracheobronchitis is caused by viral infection of the upper airway usually parainfluenza virus or respiratory syncytial virus (RSV).
Ectopic pregnancies are caused by one or more of the following: 1  An infection or inflammation of the fallopian tube can cause it to become partially or entirely blocked. 2  Scar tissue from a previous infection or a surgical procedure on the tube may also impede the eggâs movement.