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How do I disable users saving a web site picture as a desktop background?

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AtomicPickle
AtomicPickle
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In our University Lab I have group policies preventing students from changing the desktop background - a student recently accessed an email account or other online image site to change the desktop picture in Windows 7 to a pornographic photo - I want to disable this feature in Firefox

Thanks

In our University Lab I have group policies preventing students from changing the desktop background - a student recently accessed an email account or other online image site to change the desktop picture in Windows 7 to a pornographic photo - I want to disable this feature in Firefox Thanks

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cor-el
cor-el
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See this extension: