I have installed firefox and it works well on everything except that I cannot access my gmail and twitter accounts. Tried lots of things and nothing works.

Question

I have made sure the sites are allowed in privacy settings. Every time I try to load either of them I get nothing for gmail and a non-member page for twitter and cannot login on either

Answer 1

Many site issues can be caused by corrupt cookies or cache.
* Clear the Cache and
* Remove Cookies<br> '''''Warning ! ! '' This will log you out of sites you're logged in to.'''
Type '''about:preferences'''<Enter> in the address bar.
* '''Cookies;''' Select '''Privacy.''' Under '''History,''' select Firefox will '''Use Custom Settings.''' Press the button on the right side called '''Show Cookies.''' Use the search bar to look for the site. Note; There may be more than one entry. Remove '''All''' of them.
* '''Cache;''' Select '''Advanced > Network.''' Across from '''Cached Web Content,''' Press '''Clear Now.'''
If there is still a problem,
'''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]''' {web link}
While you are in safe mode;
Type '''about:preferences#advanced'''<Enter> in the address bar.
Under '''Advanced,''' Select '''General.'''
Look for and turn off '''Use Hardware Acceleration'''.
Poke around safe web sites. Are there any problems?
Then restart.
If the above does not help;
'''[https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history Remove History For One Site]'''
Open the History Manager '''<Control><Shift> H.'''
In the search bar, enter the name of the site.
Right click on one of the listings and select '''Forget About This Site.'''
This should remove all information, including any passwords / settings.