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Version 24.0 installed but Version 3.5.2 is displayed when attempting to install Add-ons, how is this fixed?

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I'm attempting to install Lightbeam Add-on using an XP-Pro OS. Originally installed FF prior to Version 3. Upon the attempted install of Lightbeam FF states in a pop-up box that I'm running Version 3.5.2. Currently in the Help/About version states I'm running version 24.0. How do I fix this problem?

I'm attempting to install Lightbeam Add-on using an XP-Pro OS. Originally installed FF prior to Version 3. Upon the attempted install of Lightbeam FF states in a pop-up box that I'm running Version 3.5.2. Currently in the Help/About version states I'm running version 24.0. How do I fix this problem?

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hello MickG500, your useragent (the information the browser sends to websites to identify its version) - apparently mistakenly - shows you're on firefox version 3.5.2. please refer to this article in order to reset the user-agent settings in firefox: How to reset the default user agent on Firefox

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Chosen Solution

hello MickG500, your useragent (the information the browser sends to websites to identify its version) - apparently mistakenly - shows you're on firefox version 3.5.2. please refer to this article in order to reset the user-agent settings in firefox: How to reset the default user agent on Firefox