blue colore sign ( >> ) appear on my all desktop files

[umerdin]

hello , i m in trouble a blue color sign like this fw shape ( >> ) show on my all desktop notepad or jpg ...
how can i fix this issue ? if i create new picture or other files on desktop this sign show also this sign show in my pictures foloder in C drive only help me thank

 

[umerdin]

Hello friends Please help me i m in trouble blue color sign like ( >> ) show on my all c drive desktop icons or all of my dcuments folder files icons .... how can i stop this what is that mean ?