When you download file parts you must not open them with a particular program. You must choose \"Save on disk\".
If i remember correctly, there is a place where you can choose behaviour of programs when they try to open file types (maybe System panel).
If you don\'t found it, the simplest way is (imho) to right click on the link and choose Save Link target As (or something like this).
Another is to download Mozilla
here that is a better browser than IE.
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