Step 1:
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Clear out your web browser's cache, browsing history, and cookies. Relog back into CHU and attempt the download again. If this does not solve the problem go to step 2.
Step 2:
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Disable your Anti-Virus. Some AVs are designed to block false positives by denying the webpage from being loaded. If this does not solve the problem go to step 3.
Step 3:
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Your ISP has probably blocked the page. You will have to contact them for more information.
thanks mate,
i had already covered step 2, i already understand that they need to be turned off or disabled. step 3 never has happend in any case, so that was a no no, but i think step 1 did it for me thanks mate.
alex,