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logging into Tesco account through firefox on PC

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When I try to log into my Tesco Groceries through Firefox on my pc I get Oops it looks like something not working. It works fine on my firefox on ipad and I can get through no problem with Chrome , Can you help please. I can get into my Tesco Bank ok. I have been told by Tesco that Firefox version 122 does not work I should change it to 120, but it wont let me do that

When I try to log into my Tesco Groceries through Firefox on my pc I get Oops it looks like something not working. It works fine on my firefox on ipad and I can get through no problem with Chrome , Can you help please. I can get into my Tesco Bank ok. I have been told by Tesco that Firefox version 122 does not work I should change it to 120, but it wont let me do that

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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You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.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), click the padlock icon (Clear cookies and site data) for the domain in the selected tab.

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

You can check for issues with Enhanced Tracking Protection. 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 like blocked content.