Please update your graphics drivers.

Use more than one : https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware and https://www.malwarebytes.com/adwcleaner/ and https://forums.malwarebytes.com/topic/9573-im-infected-what-do-i-do-now/ Save all reports. Google everything before you delete it. Ask for help from above sites.

Please let us know if this solved your issue or if need further assistance.

The "Warn me when web sites try to redirect or reload the page" warning is meant as an accessibility feature so people with disabilities or people who use screen readers do not get confused and isn't meant as a safety protection to stop redirecting.

• http://kb.mozillazine.org/Accessibility_features_of_Firefox

In Firefox 56+ the "Warn me when web sites try to redirect or reload the page" setting can no longer be found in Options/Preferences.

You can modify this pref on the about:config page to enable or disable this feature

• http://kb.mozillazine.org/accessibility.blockautorefresh

I run Malwarebytes Premium, so it actively blocks the page from loading, but does not stop the page from trying to load. I also use Spybot S&D on a regular basis, and after scanning, fixing and quarantine, this still happens.

Need to run more scanners, try Malware ADWCleaner URL above maybe https://www.hitmanpro.com/hmp.aspx get 2 week free. I have Malwarebytes also paid and things still get past and ADWCleaner finds them and if not that then Roguekiller 64

If still having issues after using the above do follow the advice/instructions https://forums.malwarebytes.com/topic/9573-im-infected-what-do-i-do-now/ hey will work with you on it and inspect.

So this is no longer a Firefox Support Issue but a Malware issue so do please follow the above.

Please let us know if this solved your issue or if need further assistance.