Every time I right-click an image in Firefox 3.6.12 to view image size info it says "Unknown (not cached)". Any ideas on why this could be happening and how I can stop it? My OS is Ubuntu 10.10. If you need any more info let me know.

Every time I right-click an image in Firefox 3.6.12 to view image size info it says "Unknown (not cached)". Any ideas on why this could be happening and how I can stop it? My OS is Ubuntu 10.10. If you need any more info let me know.

Is the disk cache and the memory cache enabled?
You can check these prefs on the about:config page.
* http://kb.mozillazine.org/browser.cache.disk.enable
* http://kb.mozillazine.org/browser.cache.memory.enable
To open the <i>about:config</i> page, type <b>about:config</b> in the location (address) bar and press the "<i>Enter</i>" key, just like you type the url of a website to open a website.<br />
If you see a warning then you can confirm that you want to access that page.<br />
Your More system details list shows two outdated Flash plugins that you should remove and update to Flash 10.1 r102 or at least remove 10.0 r45 and wait until your distribution offers a 10.1 r102 update.
# Shockwave Flash 10.0 r45
# Shockwave Flash 10.1 r85
Update the [[Managing the Flash plugin|Flash]] plugin to the latest version.
*http://www.adobe.com/software/flash/about/

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