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wrong version number

  • 5 replies
  • 36 have this problem
  • 6 views
  • Last reply by cor-el

facesiki
facesiki
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HI!

I'm using firefox 3.6.9 hungarian version, but a lot of site, and firefox add on think's i'm using firefox 2.0.0.5 version. Reinstalling, updating, retart (browser, computer etc) not helping. This "started" (well not started, just realized something is wrong) about more than a year ago, when youtube decide not to support the old browsers. First i belived the sites are wrong, but now too many sites thinks that i have old version browser, even your addons site too.

HI! I'm using firefox 3.6.9 hungarian version, but a lot of site, and firefox add on think's i'm using firefox 2.0.0.5 version. Reinstalling, updating, retart (browser, computer etc) not helping. This "started" (well not started, just realized something is wrong) about more than a year ago, when youtube decide not to support the old browsers. First i belived the sites are wrong, but now too many sites thinks that i have old version browser, even your addons site too.

Chosen solution

Hello ,

the cause of this issue is a bad so called useragent string.

Please reset the UA string the following way:

  1. Enter about:config in Firefox and press the Enter key.
  2. Confirm the upcoming warning by clicking I'll be careful, I promise.
  3. Filter the list for general.useragent.
  4. Repeat the following step for every bold line that you find:
  • Right-click the bold line and select Reset.

Now the websites should recognize your version again.

Read this answer in context 👍 8

All Replies (5)

user66338
user66338
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Chosen Solution

Hello ,

the cause of this issue is a bad so called useragent string.

Please reset the UA string the following way:

  1. Enter about:config in Firefox and press the Enter key.
  2. Confirm the upcoming warning by clicking I'll be careful, I promise.
  3. Filter the list for general.useragent.
  4. Repeat the following step for every bold line that you find:
  • Right-click the bold line and select Reset.

Now the websites should recognize your version again.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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FYI: That user agent corruption is in your case caused by the MegaUpload toolbar.

facesiki
facesiki Question owner
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@cor-el: the funny part is there aren"t any megaupload toolbar installend on my computer

Modified by facesiki

facesiki
facesiki Question owner
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@Tobbi: thank you this was helpful

Modified by facesiki

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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You can see by the user agent (2.0.0.5;MEGAUPLOAD) that it must have happened in the time that you used Firefox 2.0.0.5 (2007071317) and that is quite a few years ago. If you do not reset preferences added by an extension after removing an extension then you will still have those preferences active in prefs.js and some like this one can have effect years later. If you have such an old profile then maybe it is time to create a new profile to get rid of all leftovers from such old versions.

See also: 

http://kb.mozillazine.org/Resetting_preferences
http://kb.mozillazine.org/Creating_a_new_Firefox_profile_on_Windows