text: any info about "delus.bat" file? is it a harmful file ? location c: drive size : 0 kb  perhaps it gets downloaded through the net again and again in the c: drive inspite of deleting it.  heard about this file?? what does it do? symantec product if you dont use symantec anymore delete it all.  http://ict.cas.psu.edu/training/howto/util/removenav.htm  hope these help.  good luck.