I used to be able to click on File and then Print Preview. Now all of a sudden it no longer works. There is no Print Preview.
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How did you get the HP Smart Web Printing4.51 true email@example.com extension enabled?
AFAIK that extension hasn't worked in Firefox since Firefox version 3.5.
Try disabling that extension and see if Print Preview works.
OK. I disabled the HP extension. Now the Print Preview works.
Curious. That extension is not new. Has been there for quite some time. The Print Preview just stopped working today!
Oh well. At least it is working now. Thanks!!