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How do I stop face book authentication popup?

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I constantly get one of 2 pop ups on many web pages. They ask me to log into Facebook. I don't have a Facebook account. I never use this application.

This happens very often.

OS: XP service pack 3

I can supply screen shots. Here is a pretty exact manual copy:

==============================

Authentication Required

? Enter username and password for http://www.facebook.com

User Name: _____________________

 Password:   _____________________
                                      ____    ________
                                      | OK |   |  Cancel |
                               |
=================================

These pop ups occur very often. The following programs detect no problems:

Malwarebytes AVG Kapersky anti virus

There are no entries with the word "facebook" in my registry. There are no files with an name like facebook*.* on the disk drive.

I constantly get one of 2 pop ups on many web pages. They ask me to log into Facebook. I don't have a Facebook account. I never use this application. This happens very often. OS: XP service pack 3 I can supply screen shots. Here is a pretty exact manual copy: ========================================== Authentication Required ? Enter username and password for http://www.facebook.com User Name: _____________________ Password: _____________________ ____ ________ | OK | | Cancel | | ============================================= These pop ups occur very often. The following programs detect no problems: Malwarebytes AVG Kapersky anti virus There are no entries with the word "facebook" in my registry. There are no files with an name like facebook*.* on the disk drive.

All Replies (1)

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Try to clear the cookies.
You can do that manually if you want to be sure to keep specific cookies.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).