The third setting you will want to verify is that Internet Explorer is not caching web pages. Your browser cannot cache web pages for security reasons.
Step 1. Select the Tools menu in Internet Explorer and click on Internet options
Step 2. Click on the Delete Cookies button under the Temporary Internet Files heading and choose OK.
Step 3. Click on the Delete Files button under the Temporary Internet Files heading and choose OK.
Step 4. Click on the Settings button under the Temporary Internet Files heading.
Step 5. Make sure you have Every visit to the page selected under the Check for newer versions of stored pages heading. Also make sure no more than 35 MB has been allotted for the Amount of disk space to use.