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firefox is saying page is slowing down browser

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this message keeps coming up on RBC bank page and we cannot do anything on page? can not check our accounts. why would firefox be in our secure bank account page?

this message keeps coming up on RBC bank page and we cannot do anything on page? can not check our accounts. why would firefox be in our secure bank account page?

Réiteach roghnaithe

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
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Réiteach Roghnaithe

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