Clear cached data in Internet Explorer

To determine whether a performance issue or an error message is caused by corruption in the temporary Internet files or in other cached information that is used by Internet Explorer, you must clear cached data. To do this, follow these steps:

Internet Explorer 7
1. Open Internet Explorer 7.
2. Click Tools, and then click Delete Browsing History.
3. In Delete Browsing History, click Delete All.
4. Click to select the Also delete files and settings stored by add-ons check box, and then click OK.

Internet Explorer 8
1. Open Internet Explorer 8.
2. Click Safety, and then click Delete Browsing History.
3. In Delete Browsing History area, click Delete.

A progress bar is displayed to indicate that the browsing history is being cleared. After this process is complete, test Internet Explorer to verify that it works correctly.

Method 2:

If this does not resolve the issue you may follow the second method, to reset the security settings for all the zones.

1. Open Internet Explorer.
2. Click Tools, and then click Internet Options.
3. Click the Security tab.
4. Click Reset all zones to default level, and then click OK.
After you do this, test Internet Explorer.