If you are running Windows NT 4.0 in a modern virtual machine (VM), consider taking "snapshots" of the VM state. This serves as a much more reliable recovery method than the legacy ERD process.
The best time to create an ERD is while your system is healthy. Microsoft provided a built-in utility specifically for this purpose. Click the Start button and select Run. Type rdisk and press Enter. windows nt 4 emergency repair disk download
Once you have your ERD in hand, follow these steps to restore your system: Boot from the Windows NT 4.0 Setup disks or CD-ROM. Press R at the first setup screen to enter Repair mode. If you are running Windows NT 4