If Steam displays a disk read write error. Then, use these instructions to find out how to fix the
Steam download disk write error by following a few easy steps.
1. Restart Steam or your computer.
2. Free disk space on your hard drive.
3. Start Steam in administrator mode.
4. Temporarily disable your antivirus and firewall programs.
5. Replace the region of your Steam download.
6. Reinstall the Steam app.