mget.exe: Couldn't change directory about mget HOT 3 OPEN

It may be related to the 'ś' character in your path.
To confirm that this is the cause of the problem, please create a new user on 
Your machine without polish characters in the name.
It looks like rubyscript2exe might have a problem with those characters and the 
bug should be reported 
upstream. 

now something happens... the window flashes and exits..

mget.exe is a command line utility and should be run from the cmd.exe utility 
on MS
Windows.

The window flashes and dissapears because it's currently not interactive. It 
prints
out the help screen and quits.

Try to run the application by clicking Start -> Run... -> cmd.exe
This will open a black command line window. Use the CD command to move where the
location of mget.exe.

In example:
cd C:\downloads\

Then try to run the application by entering: mget.exe

The prefered way to use the offline version of mget is to use the entry from the
start menu.