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If you find that you cannot log in to a website that requires a username and password, follow the steps described in this article. * If you can log in to a website manually, but '''cannot save or use saved usernames and passwords''', see [[Username and password not remembered]]. __TOC__ = Enable cookies for the website = Make sure that [[cookies]] are enabled for the site in question: {for fx35} # [[T:optionspreferences]] [[T:customhistory]] # Make sure '''Accept cookies from sites''' is selected. # Make sure '''Accept third party cookies''' is selected. ** [[Disabling third party cookies]] can cause problems with some websites. Enable this setting to rule it out as a cause for your problem. # Click {button Exceptions...}. # Make sure the site you're trying to access isn't listed. ** If it is listed, click on its entry, then click {button Remove Site}. {/for} {for fx3} # [[T:optionspreferences]] # Click the {menu Privacy} icon. # Make sure '''Accept cookies from sites''' is selected. # Make sure '''Accept third party cookies''' is selected. ** [[Disabling third party cookies]] can cause problems with some websites. Enable this setting to rule it out as a cause for your problem. # Click {button Exceptions...}. # Make sure the site you're trying to access isn't listed. ** If it is listed, click on its entry, then click {button Remove Site}. {/for} If you changed any settings, try logging in to the site again. {for fx35} = Clear history for that site = The cookies and temporary data already stored on your computer may be causing the problem. Delete them, then test for your problem: # {for win,linux}At the top of the Firefox window{/for}{for mac}On the menu bar{/for}, click on the {menu History} menu and select {menu Show All History} to open the Library window. # At the top right corner, type the name of the website you wish to forget in the ''Search History'' field, and press {for win,linux}{key Enter}{/for}{for mac}{key Return}{/for}. # In the resulting list, {for win,linux}right-click{/for}{for mac}hold down the {key Ctrl} key while you click{/for} on the site you wish to forget, and select {menu Forget About This Site}.{for win} <br/> [[Image:dc83bef63b83bac0c4f29a23fe07e0f0-1244842501-315-1.PNG]] <br/>{/for} # Close the Library window. {/for} {for fx3} = Clear cookies for that site = The cookies for the site with problems that are already stored on your computer may be causing the problem. Delete them and then test for your problem: # [[T:optionspreferences]] # Select the {button Privacy} panel. # Click {button Show Cookies...}. The Cookies window will appear. # In the '''Search:''' field, type the name of the site whose cookies you want to remove. The cookies that match your search will be displayed. # Select the cookie(s) in the list to remove and click {button Remove Cookie}. ** Pressing {for win,linux}{key Ctrl}{/for}{for mac}{key command}{/for}+{key A} will select all the cookies in the list. # Click {button Close} to close the Cookies window. # [[T:closeOptionsPreferences]] {/for} = Clear all cookies and the cache = If deleting cookies for the site with the problem did not fix the error, clear all the cookies stored on your computer and clear the Firefox cache: {for fx35} # On the menu bar, click {menu Tools}, then select {menu Clear Recent History...}. # In the '''Time Range to clear:''' dropdown, select '''Everything'''. # Click the arrow next to '''Details''' to display the list of items that can be cleared. {for win,linux}<br/> [[Image:ae6b5fbd2dc1c3e4ca37ac0e94974c4a-1251586546-754-1.png]] <br/>{/for} # Select both '''Cookies''' and '''Cache'''. # Click {button Clear Now}. {/for} {for fx3} # On the menu bar, click {menu Tools}, then select {menu Clear Private Data...}. # Select both '''Cookies''' and '''Cache'''. {for win,linux}<br/> [[Image:ae6b5fbd2dc1c3e4ca37ac0e94974c4a-1251586735-924-1.png]] <br/>{/for} # Click {button Clear Private Data Now}. {/for} = Check Extensions and Plugins = Some extensions can cause problems with logging in to websites, especially extensions associated with certain websites. For example: * If you cannot log in to Yahoo! and you use a Yahoo! Toolbar extension, try disabling it using the instructions in the [[Troubleshooting extensions and themes]] article, restarting Firefox and then following the steps above to clear cookies and cache again. * If you cannot log in to Gmail and you use a Google extension, try [[Troubleshooting extensions and themes|disabling it]] and then following the above steps to clear cookies and cache before trying to log in again. * Other extensions may also cause login problems. To determine if they are the cause, see: [[Troubleshooting extensions and themes]]. Some plugins can also cause problems logging in to websites. See the [[Troubleshooting plugins]] article for instructions on how to determine whether a plugin is causing your problem. {for win} = Security application is blocking cookies = Some Internet security and privacy applications have features that block cookies. == ZoneAlarm == The [http://www.zonealarm.com/store/content/support/zass/zassMain.jsp ZoneAlarm user guide] contains information on allowing cookies. == CA Personal Firewall == [http://crm.my-etrust.com/CIDocument.asp?KDId=2637&Preview=0&Return=0&GUID=0A91A1487AA8414EA65F57985514ED95 CA Knowledge Document 2637] contains information on allowing cookies. {/for} = Remove corrupt cookies file = If you cannot 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. {note}'''This will remove all your stored cookies and essentially log you out of all saved sessions on all websites.'''{/note} #[[T:profileFolder]] #[[T:closeFirefox]] # Delete the {filepath cookies.sqlite} file and any {filepath cookies.sqlite-journal} files. # Restart Firefox. <!-- MZ credit --> <br/> <br/> '''''Includes information from [http://kb.mozillazine.org/Websites_report_cookies_are_disabled Websites report cookies are disabled (mozillaZine KB)]'''''