topic Firefox causing grief in Discussions https://connect.mozilla.org/t5/discussions/firefox-causing-grief/m-p/106431#M41103 <P>Using MS Windows 10, 64-bit, Firefox Portable 143.0.1, java 8 461 64-bit; Firefox is installed using a simple path: C:\Data\MyApps\FirefoxPortable\ and it is set as default browser.&nbsp; At some update after Firefox 139, I noticed that I am no longer able to log into several websites; After I click the log in button the Firefox windows clears and then nothing happens (I wait several minutes).&nbsp; Internet connection is OK because I can access some other websites.&nbsp; I have no problem logging in using my MS Windows Edge browser (that's how I logged in now).&nbsp; I have tried to disable all my security and privacy settings, tried to set those problem websites as excluded, etc. Nothing helps.</P> Sat, 27 Sep 2025 20:56:05 GMT alyssa527 2025-09-27T20:56:05Z Firefox causing grief https://connect.mozilla.org/t5/discussions/firefox-causing-grief/m-p/106431#M41103 <P>Using MS Windows 10, 64-bit, Firefox Portable 143.0.1, java 8 461 64-bit; Firefox is installed using a simple path: C:\Data\MyApps\FirefoxPortable\ and it is set as default browser.&nbsp; At some update after Firefox 139, I noticed that I am no longer able to log into several websites; After I click the log in button the Firefox windows clears and then nothing happens (I wait several minutes).&nbsp; Internet connection is OK because I can access some other websites.&nbsp; I have no problem logging in using my MS Windows Edge browser (that's how I logged in now).&nbsp; I have tried to disable all my security and privacy settings, tried to set those problem websites as excluded, etc. Nothing helps.</P> Sat, 27 Sep 2025 20:56:05 GMT https://connect.mozilla.org/t5/discussions/firefox-causing-grief/m-p/106431#M41103 alyssa527 2025-09-27T20:56:05Z Re: Firefox causing grief https://connect.mozilla.org/t5/discussions/firefox-causing-grief/m-p/106532#M41167 <P>While on the login page, try clicking the padlock to the left of the address bar &gt; Clear cookies and site data &gt; refresh the tab.</P><P>&nbsp;</P> Sun, 28 Sep 2025 18:54:57 GMT https://connect.mozilla.org/t5/discussions/firefox-causing-grief/m-p/106532#M41167 siffemcon 2025-09-28T18:54:57Z