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Every day evening at 1900 hrs Windows Defender Club site pops up. It happens only in Firefox. If I uninstall firefox, this problem does not surface.

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It may be noted that immaterial of fact any browser is on or not, if firefox is installed on system, at 1900 hrs, "windows defender club" site opens. I uninstalled firefox and problem did not surface whereas I have Chrome and Edge browser installed. If there is no solution, i will permanently uninstall firefox.

It may be noted that immaterial of fact any browser is on or not, if firefox is installed on system, at 1900 hrs, "windows defender club" site opens. I uninstalled firefox and problem did not surface whereas I have Chrome and Edge browser installed. If there is no solution, i will permanently uninstall firefox.

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Hello skagrawal,

Unfortunately you've picked up some malware, that you will of course want to get rid of.

Would you please go to the 3-bar menu => Add-ons => Extensions - if you see anything there that you didn't install yourself : please remove it.

Then do the same in Windows Control Panel => All Programs

Next step will be to run all malware scans that are listed in this article :

https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware

(what one doesn't pick up, the other one might)

Also see :

https://www.pcviruscare.com/blog/remove-http-windowsdefender-club-best-removal-guide

'Hope that helps ......