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Facebook reports that i'm using v3.5 of Firefox and Windows 2000 when running on 16.0.2 and XP (upgraded system). where is this info and how to reset?

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Facebook reports that i'm using v3.5 of Firefox and Windows 2000 when running on 16.0.2 and XP (upgraded system). where is this info and how to reset?

the PC was upgraded from Win2000 to XP, and has all the XP service packs installed. it is also running Firefox 16.0.2. when i go to Facebook, and other pages, it says that i'm running an unsupported operating system (says i'm using Windows 2000), and i should upgrade my browser to the latest version (says i'm running FF 3.5, or FF 3.6, can't remember which). i' ve looked thru the registry, but haven't found anything that jumps out. where else could this info be stored that Firefox is looking at.

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Re: Facebook reports that i'm using v3.5 of Firefox and Windows 2000 when running on 16.0.2 and XP (upgraded system). where is this info and how to reset?

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Site Moderator

Re: Facebook reports that i'm using v3.5 of Firefox and Windows 2000 when running on 16.0.2 and XP (upgraded system). where is this info and how to reset?

New User

Re: Facebook reports that i'm using v3.5 of Firefox and Windows 2000 when running on 16.0.2 and XP (upgraded system). where is this info and how to reset?

in looking at the Troubleshooting info, i can easily see that the information presented in the User Agent string is incorrect ...

Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6 FBSMTWB

going to http://useragentstring.com/, confirms that the OS is thought to be Windows 2000 and the Firefox version is 3.5.6.

where is this information stored? and how can i correct it?

Shooting Star

Re: Facebook reports that i'm using v3.5 of Firefox and Windows 2000 when running on 16.0.2 and XP (upgraded system). where is this info and how to reset?

pbturner wrote:

where is this information stored? and how can i correct it?

It's explained in the “Firefox is showing the wrong User Agent” section of the aforementioned article.

  1. Type about:config in the address bar and press Enter.
  2. Press the big button to bypass the warning.
  3. In the Search bar, paste general.useragent
  4. If any of the search results show “Status: user set”, right-click each one and choose Reset

You should also get rid of Fast Browser Search, which is what corrupted your user agent string. Other names to watch out for are “Fast Browser search protection”, “Fast Browser Search (MyTattoo)”.
These may appear not only in your Firefox add-ons, but also your Internet Explorer add-ons and Windows Control Panel, in the Uninstall or Add or Remove Programs category.

New User

Re: Facebook reports that i'm using v3.5 of Firefox and Windows 2000 when running on 16.0.2 and XP (upgraded system). where is this info and how to reset?

completed thru step 4 above ... found that ...

general.useragent.override had the values that showed Windows 2000 and Firefox 3.5.6 ...

right clicking over the "User set" status of this one, selecting Reset, and restarting Firefox, the info is now CORRECT (XP & 17.0.1) ... confirmed with UserAgentString.com

Thanks to all!!!

pete.