No guarantees;
1. I would shutdown and physically/ temp unplug the D harddrive and disc drive cables from the system.
2. Boot back up into your normal account… this should force Windows to reset its folder system to the default c drive when the D (both hard and disc) drive are no longer present on the computer.
3. Now open your documents properties and reset the path back to its default then shut the system down and reconnect the other drives.