Can't install any add-ons
When I click on the button to add an extension/add-on, I get a small window in the upper left hand corner of Firefox that shows the download progress, along with a Cancel button and a grayed out Install button. When the download reaches 100%, the Install button never lights up. I've tried to install Adblock Plus several times, as well as a few other add-ons all with the same results.
Solution choisie
Never mind, updating Firefox to version 48 fixed the problem. The reason I didn't try that previously was that Help>About Firefox reported that the previously installed version, 47, was the most current in spite of ver. 48 being available.
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Solution choisie
Never mind, updating Firefox to version 48 fixed the problem. The reason I didn't try that previously was that Help>About Firefox reported that the previously installed version, 47, was the most current in spite of ver. 48 being available.
That was very good work. Well done.