I still haven't managed a solution although I have got closer:
click here - this looks like it could be helpful, but the "upgrade" button will not allow me to click it as it stays greyed out.
[email protected]" title="http://ct.drmnetworks.com/CheckOsWmp.aspx?email=[email protected]" TARGET="_new">click here - the test fails (WMP won't play the file) and then the page won't change after minutes.
I guess a format is the only option to solve this problem..
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