Mobile Network Choice & Icons

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Somehow I am not able to read the Windows-Help-article about those connection symbols anymore that show which kind of network is currently available.

I wanted to, because I noticed that my mobile really does not seem to use the UMTS bandwith. When checking the datatransfer-infor popup it tells "E-plus Internet (GPRS, 3G)". So for a while I figured it would be UTMS since that is supposed to be a 3G network. But the standard symbol in the topbar is a plain "G" and not a "3G" as I saw when being in the netherlands.

1) What exactly is "(GPRS, 3G)"?
2) What would I be able to read when it really is UMTS?
3) And what could be wrong if go to the help area, search for a keyword, find the article i look for but get something like "Kan Help niet openen. Kan bestand niet vinden -> Can't open help. Can't find the file." when i try to open it?

thanks