1, you can try to click "Back to the previous page", you can delete the URL suffix, only the home page address, login can be resolved;
2, click the details, you can see the specific reasons for the error: this error (HTTP 403 prohibited) means that Internet Explorer can connect to the Web site, but does not have permission to view the Web page;
Browser access to the Web page, the first time in the cache to find relevant information (to avoid downloading, more time-consuming), if the cache error, will cause login failure;
3, if the recent occurrence of such errors, then should be timely cleaning browser cache (after the user will be required to log in, and record, store new cache), open the Internet option;
4. Click the "Delete" button in the browsing history to clean the cache;
5, can also restore the browser's default settings: Internet options → advanced → restore advanced settings → OK;
6, or click "Reset", reset IE settings;
7, if the dual-core browser (such as Sogou browser), you can use their own repair tools, to repair, click on the bottom right corner of the browser Sogou browser repair tool;
8, click "Quick Fix", will automatically close the browser, after completion, will automatically pop-up repair good browser can be resolved.