> > Does this message in application.log can be the source of problem > > > > wuaueng.dll (1204) Synchronous read page checksum error > -1018 ((1:801 > > 1:801) (0-13218) (0-14642)) occurred. Please restore the databases > > from a previous backup. > > I don't recognise this as a PostgreSQL error, although it > could be part of the Windows code I suppose. wuaueng.dll sounds like the Windows Update engine. There should be a bunch of articles around on how to reset the windows update database - that should be your first try. (It uses the same general database engine as Exchange, which is why you get the same kind of error msg) //Magnus