|If you are having problems with IE & FF then perhaps there is something wrong with your system. Try fixing that instead of looking for a more forgiving browser. |
Run Ccleaner Slim and Malwarebytes to cleanse the system of most undesireable items. Get them at the links below.
Then download and install Microsoft Security Essentials. Get it below.
As far as your present situation goes, you may have the security setting set too high.