Dukislav

Also, changes the "Write debugging information", xdump to (none) ... Can anyone explain the details to us, why it is necessary to change these options in the "Startup and Recovery" before execute "Boot time defrag"?

After Defraggler boot time defrag (2.00.230 - 64), in Event Viewer got: Error Event id: 46 Source: volmgr Crash dump initialization failed! ... My System: Win7/64 Hard Disks: 2 (C,D) Pagefile: System managed Write Debugging information: Small Memory Dump ...