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connection using OTP failed

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Greets to all After last update to 100.0.2 (64bit) connection to National Bank of Greece account is impossible due to an image error occurring, while entering OTP informing :


" error image " connection procedure with OTP failed. Please be sure that your browser allow you storing od cookies and try again.


This does not occur using chrome or edge ...

settings are checked ok, nothing changed recently

Greets to all After last update to 100.0.2 (64bit) connection to National Bank of Greece account is impossible due to an image error occurring, while entering OTP informing : ---------------- " error image " connection procedure with OTP failed. Please be sure that your browser allow you storing od cookies and try again. ---------------- This does not occur using chrome or edge ... settings are checked ok, nothing changed recently

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I'm guessing, but is the image error captcha?! Can you post an image of the issue and block personal data?

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This issue can be caused by corrupted cookies or blocked cookies.

  • check the permissions for the domain in the currently selected tab in "Tools -> Page Info -> Permissions"

If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block content (Adblock Plus, NoScript, DuckDuckGo PE, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block content.

You can check the Web Console for relevant-looking messages about blocked content.


You can try these steps in case of issues with webpages:

You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • hold down the Shift key and left-click the Reload button
  • press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • press "Command + Shift + R" (Mac)

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Settings).

"Remove the Cookies" for websites that cause problems:

  • Settings -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Settings -> Privacy & Security
    Cookies and Site Data -> Clear Data -> [X] Cached Web Content -> Clear

Start Firefox in Troubleshoot Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Troubleshoot Mode start window