Many people sometime have a problems when download from Megaupload.com. Here some solution that you can try to get unlimited download from megaupload like premium user.
Here are the steps:
1 ) If you already download Megaupload toolbar and installed on your computer, uninstall it first as it contains a spyware
2 ) Download Mozilla Firefox browser
3 ) [...]

How to check your rapidshare link valid or not before you download. First you must have the latest version of Mozilla Firefox Installed. ( Download Firefox )
Next download the extension for it called “Grease Monkey”. ( Download ) . Grease Monkey allows you to customize the way a webpage displays using small bits of JavaScript.
Finally [...]