few days earlier my desktop got virus. after that i cant open my word files or power point files. when i try them i get error:
" we're sorry. we can't open file because we found a problem with its contents."
i attache one of my files.


is any one know how can i fix this?

Have you removed all traces of the virus? It sounds like some of what the virus was suppose to do, it's still doing. And, since it can only do that, if it's still on your computer, the answer would be to remove the rest of the virus.

i have removed virus, even i checked the word files on some other desktops but i get the same error. here is one of my word files:
http://uplod.ir/h6ma96wpxbh8/پروژه_خلیج_فارس.docx.htm