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After activating "Click-to-play" plug-ins, I cannot open pdf files.

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In the latest release of Firefox, information about how to prevent plug-ins from loading automatically was in the release notes. I activated this in about:config. (Click-to-play).

After that, I cannot open pdf files! When I click on a link all I get is an empty window. Reloading page don't help. What I can do, is to click on the button next to the awesome bar and set that plug-ins will always load automatically for this page. Then the pdf file loads. Another work around is to copy the link and paste it in IE.

Is this a bug with "click-to-play"?

In the latest release of Firefox, information about how to prevent plug-ins from loading automatically was in the release notes. I activated this in about:config. (Click-to-play). After that, I cannot open pdf files! When I click on a link all I get is an empty window. Reloading page don't help. What I can do, is to click on the button next to the awesome bar and set that plug-ins will always load automatically for this page. Then the pdf file loads. Another work around is to copy the link and paste it in IE. Is this a bug with "click-to-play"?

Chosen solution

That is a known problem.

Bug 736998 - Flash click-to-play broken when opening swf directly 
Bug 747105 - Click to play breaks acrobat reader
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The purpose of "click to play" is that the plugin doesn't automatically play when the tab or window is opened, it requires action by the user.

A faint red PDF image should appear in the center of the browser window - click on that image to "play".

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Seçilmiş Həll

That is a known problem.

Bug 736998 - Flash click-to-play broken when opening swf directly 
Bug 747105 - Click to play breaks acrobat reader
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Thanks cor-el. I have read the various bug reports and it is indeed the same. Has been known for a while... Anyway, I find no mention of the work-around: "Click on the button next to the awesome bar and set that plug-ins will always load automatically for this page."

I don't know if there is a place to give that feedback.