Firstly, I would like to apologize for hearing of the closure to your account.
It would have been considerate if they notified you a warning beforehand.
I tested the links, and they are all in working order.
Although, SharpFile seemed to load super slowest compared to the rest.
But in all truth it really sucks that MegaUpload is gone. They were the number one file sharing site in world history, and it's not a good sign seeing people struggle more often now from other hosts increased level of strictness.