Yes, provided that there is nothing else wrong with your computer. In fact, you can only use Disk Warrior to rebuild the directory while either booted from the DW CD or from another volume that has DW installed.
Jon
macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365
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