Hope this is allowed in LYN
For Firefox:

Code:

Go to : http://addons.mozilla.org/firefox/59/
1) Click Install Now to install User Agent Switcher Add-on.
2) Restart FireFox.
3) Go to Tool-->User Agent Switcher--->Options--->Options
Click User Agents--->Add:

Type these in respective fields:
+ Description: MEGAUPLOAD
+ User Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Alexa Toolbar)

Click OK twice to finish adding User Agent.

From now on, before downloading any file on megaupload/sexuploader, go to Tools--> User Agent Switcher--->MEGAUPLOAD.

For Internet Explorer:

1) Go to Start -> Run
2) Type regedit -> ok

For Internet Explorer 6
3) Go to: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Wi ndows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform]

For Internet Explorer 7
3) Go to: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Wi ndows\CurrentVersion\Internet Settings\User Agent\Post Platform]

4)Right click on Post Platform > New > String Value > type "Alexa Toolbar" > Ok

Now U can download from megaupload without error : "All download slots (...) assigned to your country (....) are in use"