Hi Taiwo,
You’re kindly suggested to follow this instruction.
Determine the Java environment has been installed locally.

Modify IE browser refresh frequency.
Open your web browser and select Tools > Internet Options.
Select General > Browsing History > Settings.
Choose Every time I visit the webpage under Check for newer versions of stored pages as shown in the following figure.
Figure 1 Configuring Internet Explorer

Deleting temporary Internet files used by Java applications.
1. From the Control Panel, open Java.
2. Select the General tab and click Settings.
3. Click Delete Files to remove the temporary files used by Java applications.
4. Click OK on the confirmation dialog box.
You can clear the Trace and Log files check box if you want to keep those files.
5. Click OK.
6. On the Java Control Panel, click View to review the files that are in the Java cache.
If you have deleted all the temporary files, the list is empty.
Enabling Java content in the browser.
1. Launch Java Control Panel.
2. Click the Security tab and select the Enable Java content in the browser check box.
3. Click Apply.
When the Windows User Account Control (UAC) dialog box displays, allow permissions to make the changes.
4. Click OK in the Java Plug-in confirmation window.
Configuring the Java Plug-in for Windows
1. From the Start menu, select Control Panel > Java.
2. Click the Java tab.
3. In the Java Applet Runtime Settings section, click View.
The Java Runtime Environment Settings dialog box displays.
4. Double-click the Runtime Parameters field and enter the following information to set the minimum and maximum heap size:
-Xms256m -Xmx256m
In this example, the minimum and maximum sizes are both 256 MB.
5. Click OK to apply your settings and close the Java Control Panel.
Configuring the Java Plug-in for Mozilla family browsers.
1. From the Start menu, select Control Panel.
2. Click the Advanced tab and expand the Default Java for browsers option, as shown in the following figure.

3. Select Mozilla family and click Apply.
4. Click OK to apply your settings and close the Java Control Panel.
Thanks.