It appeared "TradeManger2Install.exe is not a valid win32 application" or "NSIS ERROR" when installed the TradeManager, why?

When you haven encountered this error message, the possible reason was TM file was not downloaded completely.

Please take the following steps:

 1) Remove your current TradeManager program completely;

 2) Download a new program at: ; please do not change the program name ".exe"

 3) Try to install again the TradeManager in your computer.