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Logging in to NSand I

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  • Èsì tí ó kẹ́hìn lọ́wọ́ bob.wilkins@talktalk.net

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For months now I have been unable to log onto the premium bond site at NSand I. They insist that there are no problems and firefox users with level 56 or above should be able to log in I have level 109 or above but still no possiblity to log on. Any ideas?

For months now I have been unable to log onto the premium bond site at NSand I. They insist that there are no problems and firefox users with level 56 or above should be able to log in I have level 109 or above but still no possiblity to log on. Any ideas?

All Replies (4)

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You need to provide screenshot login error and what URL your using so others can verify or replicate what is happening if they try to login or go the site.

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What happens when you try to log in?

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You can check for issues with Total Cookie Protection.


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.

Firefox shows a purple shield instead of a gray shield at the left end of the location/address bar in case Enhanced Tracking Protection is blocking content.

  • click the shield icon for more detail and possibly disable the protection

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You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.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 if userChrome.css/userContent.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
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I log on via Firefox, enter name and password, nsi number etc etc. They send me a text with a code which I enter and after a few seconds up comes a message.. oops, it's our error not yours, try again,, try another browser as yours may be too old and not be supported, clear your security software etc etc . I have written several times and NSi say they are working on it. This has been since september last year.