If it is a hidden file you need to go to the view section and check "show hidden files". Secondly, go into safe mode without networking and try to delete the file there. Why are you deleting this file? Is it causing system problems? If everything is kosher......................leave it alone!
Noli Nothis Permittere Te Terere!!
EVGA 680i, Dual EVGA 8800GT'S (650/950), 4 gigs OCZ DDR2 1066, Intel Q9450 at 3.8 Ghz, Koolance Water Cooled, Dual Plextor16x DL DVD+/-RW. Dual WD 250gb 16mb Cache Sata 3.0. 3DMark06 score = 19,168.