RETURN TO MAIN ARTICLERemove corrupt cookies file
If you can't log in to websites after removing the cookies associated with it, clearing your Firefox cache, and trying with your extensions and plugins disabled, and have checked security software, you may have a corrupt cookies file in your Firefox profile folder.
Open your profile folder:
- Click the menu button , click . The Troubleshooting Information tab will open. and select
- Under the Application Basics section next to Profile Folder, click . Your profile folder will open.
- Click the Firefox menu and select .
- Delete the cookies.sqlite file and any cookies.sqlite-journal files.
- Restart Firefox.