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i have been updating correctly and even mozilla give me this error ''Looks like you’re using an older version of Firefox.'' most all websites say the same thing

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  • Last reply by FFuser45

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Many website will not work because they all say Firefox has not been updated. Even Mozilla web site says the same thing but when i confirm the most recent ver. has been updated and installed, 53.0 (64-bit) Firefox is up to date.

Many website will not work because they all say Firefox has not been updated. Even Mozilla web site says the same thing but when i confirm the most recent ver. has been updated and installed, 53.0 (64-bit) Firefox is up to date.

Chosen solution

You have a corrupted user agent that identifies you as

  • Mozilla/5.0 (masking-agent; rv:34.0) Gecko/20100101 Firefox/34.0

See also:

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hey, if you want to solve this, please remove the masking agent extension that you have installed.

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Chosen Solution

You have a corrupted user agent that identifies you as

  • Mozilla/5.0 (masking-agent; rv:34.0) Gecko/20100101 Firefox/34.0

See also:

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I first disabled the masking agent ext. but that by itself did not correct or change the issue. I then reset my user agent settings and that along with clearing cookies and cache fixed issue. thank you all for the quick information to fix my problem.