When I wanted to install a bower package inside Microsoft Visual Studio 2015 update 1 (inside a corporate netwerok), I got the error:

ECMDERR Failed to execute "git ls-remote –tags –heads git://github.com/systemjs/systemjs.git", exit code of #128

This solution: http://stackoverflow.com/questions/21789683/how-to-fix-bower-ecmderr

Enter the following command on the commandline:

git config –global url."https://".insteadOf git://