Several readers report that various menubar items are missing after the update to Mac OS X 10.4.6. One reader, Don, writes: ...

Explorer menu bar missing in Windows 7 If you wish for this bar to always be displayed on your Explorer screen, follow these steps.

Right-click anywhere within a toolbar at the top of the window. From the menu that appears, click the name of the missing toolbar, which is usually Menu bar, Standard bar, Oyster bar, or something ...

It may look like a virus attack, but the disappearance of the Explorer toolbar probably ...