Sorry to hear that. This definitely works for me: I put the following into start.bat
start "" "%PROGRAMFILES%\Git\bin\sh.exe" --login -i -c "exec julia"
I make sure that when I open cmd and type "%PROGRAMFILES%\Git\bin\sh.exe" I get the bash. Then, in bash I must be able to type julia and get the Julia prompt. Under these conditions things work. What happens on your system?
Edit: The paths need to be set for the above to work. On my system:
