Firefox 21.0 won't work with Barclays On-line Banking
The site opens, and shows the account balance. When I go to account details, Firefox freezes. I've cleared the cache, and cleared cookies, as suggested - but it doesn't work. Barclays on-line banking is working fine using Google Chrome as a browser.
Chosen solution
Were you previously using the site with no problem in Firefox 20?
Is the page you're trying to load a regular web page or a PDF (e.g., statements often are PDFs)?
Could you try the site in Firefox's Safe Mode? That's a standard diagnostic tool to bypass interference by extensions (and some custom settings). More info: Diagnose Firefox issues using Troubleshoot Mode.
You can restart Firefox in Safe Mode using
Help > Restart with Add-ons Disabled
In the dialog, click "Start in Safe Mode" (not Reset)
Any difference in how the site works?
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Chosen Solution
Were you previously using the site with no problem in Firefox 20?
Is the page you're trying to load a regular web page or a PDF (e.g., statements often are PDFs)?
Could you try the site in Firefox's Safe Mode? That's a standard diagnostic tool to bypass interference by extensions (and some custom settings). More info: Diagnose Firefox issues using Troubleshoot Mode.
You can restart Firefox in Safe Mode using
Help > Restart with Add-ons Disabled
In the dialog, click "Start in Safe Mode" (not Reset)
Any difference in how the site works?
Yes, the problem extension was AdBlock Plus. I found that you could configure this to disable itself when accessing the Barclays site. So not on-line banking works once more, and unwanted ads are still blocked on other sites.