Windows Explorer not responding with a file. Not able to delete

I have some issues with a Windows 2003 server. I replaced a disk in an RAID 5 array but the rebuild aborts because of a read error on another disk in the array. I fould out that there is a data file I can't access, as if I just try right-click on it Windows Explorer becomes unresponsive, and I must reboot the server. I imagine the problem is with that file, but how can I just delete it? Thanks