Check the date and time on your computer and check everything down to the day, date, time and time zone. It must be correct for your geographical location. Also, if you log in to a proxy server, be sure the date, time and time zone of the server is also correct. Also, if you use browser plugins like Adobe Flash Player or Apple Quick Time Player, and any of these was installed while the date and time was incorrect, you need to either remove them or reinstall them once you have corrected the date/time/time zone. Finally, if you had to make any date/time corrections and remove or update browser plugins, delete your web browsers temporary Internet files, cache and cookies. You may have to re-authenticate your computer on your favorite secure websites.
Check the date and time on your computer and check everything down to the day, date, time and time zone. It must be correct for your geographical location. Also, if you log in to a proxy server, be sure the date, time and time zone of the server is also correct. Also, if you use browser plugins like Adobe Flash Player or Apple Quick Time Player, and any of these was installed while the date and time was incorrect, you need to either remove them or reinstall them once you have corrected the date/time/time zone. Finally, if you had to make any date/time corrections and remove or update browser plugins, delete your web browsers temporary Internet files, cache and cookies. You may have to re-authenticate your computer on your favorite secure websites.