I keep getting a message to upgrade the software but when I select upgrade now, I get a message that says "C:\users\owner\appdata\local\temp\live - live update. missing "WINUA_2.13.091.msi" file. At that point the upgrade stops and I have to close. I have tried to uninstall the software program from computer and reinstall by connecting the phone, but I get the same 'missing file WINUA_2.13.091ms" and I cannot uninstall software. Has been going on for at least 6-8 weeks.