We have observed our analytics reports where the results for unspecified page name ranks more than 6 from last 6 months report and most of those requests are triggered from Internet explorer browser is there a way to fix those and to determine if those unspecified requests are valid and how could we convert.
Do you have a lot of link tracking calls? Link tracking calls removes pageName and pageURL.
Do you have an implementation that tampers with pageURL at all? The pageName variable falls back to pageURL. Try navigating through your site in IE11 and make sure all variables are working using the Adobe Analytics debugger.
Are you on the latest AppMeasurement version? Numerous fixes have been applied over the months and years to resolve issues like this.