pls help just new

[k123456]

l ve just downloaded a movie l tried to run it using VLC but,

it won't be opened

as l m new to this l don't know how to run it

a message appeared said "pls note that WINRAR IS SHAREWARE, AFTER 40 DAYS FREE TRAIL will be expired U HAVE TO REGISTER OR REMOVE IT"

l CHOOSE CLOSE AND NOTHING HAPPENED , if i try open it, it says unexpected end of file

again should l register or what?

ll tried using rar repair but it an't find the file

so lf u have faced this pro, tell me what how to fix it

thanks in advance