I'm back (new job and they want to evaluate this software).
As the subject says, unnamed bookmarks are no longer saved between session in VC6 with the latest release build.
VA_X.dll file version 10.1.1418.0 built 2005.06.24 Licensed to: VA X: VAOpsWin.dll version 1.2.0.4 MSDev.exe version 6.0.8168.2 Devshl.dll version 6.0.8798.0 Devedit.pkg version 6.0.8447.0 Font: Courier -13(Pixels) Comctl32.dll version 5.81.4916.400 WindowsNT 5.0 Build 2195 Service Pack 4 Single processor
This was fixed after 1419 (case=609). There is a workaround for 1418 - go to your Visual Assist installation directory. Go to the Misc sub-dir. Make all the files read-write.