Code Syntax Error

VissGIF attēliUzlīmesMēmes
a man is smiling and crying with the words you write code for 2 hours straight realize everything contains syntax error .
a black background with white text that says error on it
a screenshot of a program that says ' public static boolean isvalidfilename ( notnull string filename ) '
a row of error messages with a button that says ok
a collage of flags with fake written on the bottom
a man in a suit and tie is standing in front of a door with a different error message .
a bunch of windows with error messages on them
a row of error messages are lined up in a row on a white background .
a cartoon drawing of a globe showing the united states
a blue background with server online written in white