All of a sudden today I get an error message when I try to print a Gmail
email via Firefox on XP. Says

"Grrr! A popup blocker may be preventing the application from opening the
page. If you have a popup blocker, try disabling it to open the window."

I don't recall using a popup blocker. I have no idea what happened. I
didn't purposely change anything. What can I do about this to return to
printing emails?

TIA

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I love a good meal! That's why I don't cook.