im having problem everytime when i try to post steam game trades in outpost. this is the messege i get " runtime error! program c:\ program files (x86)\ steam\gameoverlay UI.exe ". just curious if anybody else having same issue or if anyone can help me fix this.

i keep getting error messege everytime i try to click on steam inventory. this is what messege said " run time error ! program c:/program files (x86)/ steam/gameoverlay UI.exe "
im able to click on dota2 , portal2 , teamfortress2 . im using google chrome and already tried different setting but nothing help. anybody have any idea how to fix this would be greatly appreciate.