|It's telling you exactly what to do - boot to the command prompt and run scanreg /fix (note the space). Do you have a WinME boot floppy (startup disk)? If you don't have one, you can download a boot disk creator here:|
WinME boot disk creator - direct download
Download it, double click on it & follow the instructions. Once you've created the floppy, boot off it, select "minimal boot", then run scanreg /fix from the A:\> prompt.
WinME startup menu
If that doesn't work, try scanreg /restore