"c:/explorasi.exe cannot be found??????

Windows cannot found explorasi.exe.. Everytime i open my computer this message appears on the screen. what is "explorasi.exe"?? Is this a virus or something that is important for windows? What can be done to avoid this?? plz help...

 

it's a kind of worms.... watch out, clean it up fast

 

i did an AVG scan but no worm,virus etc was found.and my cpu usge is 100%