If the candidate is still in the candidate list, try to select them and click the 'Retry candidate' button.
If the candidate is not anymore in the list, try to click the 'Search' button of the download. If it won't help just use the normal search and try to find the file again with appropriate search terms. Phex will add matching results to the download automatically.
If you banned the hosts (I think this is not possible on I2Phex though) you need to first remove the banned hosts from the security tab before you go through the above steps.

Gregor

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