Oracle iStore - Browser Issue

One of my client’s user had problem in adding the product to the section through Sysadmin responsibility. When he clicks on the Add product icon (+), the pop up appears and he could be able to search for the product but when he selects the product and click on add, the pop page returns to the main page without adding the item to the section. There was no refresh as soon as the pop page closes.

Wherever he added something in the pop page, he faced this issue. To me , it looked like more of browser issue and he was able to perform the same action from some other system and browser.

So I have suggested the following action which resolved the issue.
Tools --> Internet options --> Programs --> Reset Web settings.

Which actually resets the web settings to default setting.