How can I activate lightbeam as soon as I downloaded it; It is empty

I downloaded add-on because I'm paranoid about viruses and malware, but it doesn't do anything. (I actually just downloaded a second time in case I did not properly, but have the same problem). After that, I was on the net, the screen remains blank and none of the buttons/links seem to work. I have looked in the programs section and features in the control panel of my but can't find not to remove either. I am not very computer so please explain in simple language. I have Windows Firefox 4.0and 8.1 but could rise to 10. I don't know what are the extensions but I Google and standard things provided with a laptop Asus with Windows 8.1 (but I don't really use a lot except weather and Outlook).
Thank you for your help.
PS Firefox has any program like photoshop?

Do not place yourself unnecessarily. The Portable package is self-contained, in other words it contains everything you need to use - if you can install Firefox and you can clearly, you can install Portable. Use it is no different from standard Firefox, but you can't have them both open at the same time.
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Regarding the Lightbeam uninstalling:

Sounds like uninstall add-on is not well ( files have been deleted, so the resource is empty: / / reference, but the button can have remained, since you can try to access the view).

If you want to uninstall the add-on or any other extension, simply by clicking the Remove button in the " Extensions " tab should be enough (as in the procedure step by step bound by Seburo). As follows: http://i.imgur.com/3v4QZAD.png. LightBeam is usually very well behaved as he needs no navigation software restart to install or uninstall.

If the rest of the elements of the extension, the first thing to try is put it back in place and then uninstall again. Install from https://addons.mozilla.org/en-US/firefox/addon/lightbeam/. Uninstall as described above.

If there is still of the remaining items, follow these steps:

  1. Go to Subject: support (type in like a normal address). Check your version of Firefox under the Application databases. The Version field should say 42.0 if you updated correctly, as described above. If this isn't 42.0, follow the instructions related by Seburo.
  2. About: support, see section Extensions to check Add-on disappeared. It should be missing from the list if it has been removed.
  3. Visit https://www.mozilla.org/en-GB/plugincheck/ to make a version of the plugin control. If plug-ins are compromised, click on their link/action button and update if necessary. Plugins are different Extensions because they are not under the control direct of Firefox and therefore need to be updated in this way.
  4. If you already have the latest version of Firefox and your Plugins, go to Manual removal.
  5. If you did not have the new versions, try to install and uninstall again after you have installed the latest versions, then proceed to manual shift.

Manual removal
To remove the extension, use these instructions: https://support.mozilla.org/en-US/kb/cannot-remove-add-on-extension-or-theme#w_uninstalling-manually. Please note that you can try to uninstall mode safe first - the instructions are in the same article. Install add-on to glean its ID if you must, then uninstall as before to make sure, he may be removed as correctly as possible.

The foregoing physically removes the extension files. If the add-on button remains in Firefox (if not, how you acceding to the view), you can remove these instructions: https://support.mozilla.org/en-US/kb/customize-firefox-controls-buttons-and-toolbars#w_customize-the-menu-or-the-toolbar. When you have the open customization view, you can simply right-click the Lightbeam and select remove from the toolbar like this: http://i.imgur.com/cQX0QlW.png.

Manual removal add-on this way is as close as you will get a good disassembly. We could delve into internal Firefox for a complete elimination of the settings, but I would rather avoid that in your case if it is not necessary.

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Note: If you are interested in making more robust Firefox, plugins like AdBlock Plus and NoScript offer effective protection against harmful content. NoScript is particularly popular and for good reason, because it will be preemptively stop-sources (sites) to run the code. 42.0 Firefox now offers the Tracking protection in private Mode if that's what you want from time to time. Permanent protection of follow-up would be offered by Lightbeam, among other modules.

Tags: Firefox

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