Instalation Error

[frankyboy1973]

Hi, i can not Install it.
I got this error
: not foundram Files/nodejs/npm: 3: /mnt/c/Program Files/nodejs/npm:
: not foundram Files/nodejs/npm: 5: /mnt/c/Program Files/nodejs/npm:
/mnt/c/Program Files/nodejs/npm: 6: /mnt/c/Program Files/nodejs/npm: Syntax error: word unexpected (expecting "in")
My nodejs Version ist 8.12.
Is that the Problem or what did it mean?