Have just installed the new update of UD - v1.69. Running a consolidate defrag everything seems to go well (I like the archive area being consolidated now) until it gets to the $Secure:$SDS:$DATA file. On my system UD just lays that file out next to where it was, then re-reads it, and lays it out again next to where it was, over and over. So that file just marches right around the disk (which is when I cancel the defrag). Anyone else having this problem? (I've sent a message to tech support already). I'm using Vista Ultimate.