hi all
from tow week ago BD can't update . I thought because I use slow internet (dial up) and when I finish exam and try to update it in cafenet it also can't update !!!
a message shown file crash and must submit to analysist (I submit but no one answer)
I use ntbackup.exe to recovered PC hen I repaired BD and update it manual update but when I try to open any file this message shown

I use Dr Web (CureIT) and Kaspersky removaltool AVP but no virus has been detected !!!!
the other strange thing BD detect Kaspersky files (file_name.klq) as a win32.sality.og !!!!
as I know sality infect onely exeutable files or files like (com,exe,scr) not any file

finally I wish you help me as soon as possible