Fix Windows Explorer Crash Loop: Step-by-Step Guide - Fix Windows 11 Installation Assistant Stuck at 99%-ERR_NAME_NOT_RESOLVED Fix Using Command Prompt

Updated 2026-07-28 13:08:22backup-recovery
Fix Windows Explorer Crash Loop: Step-by-Step Guide - Fix Windows 11 Installation Assistant Stuck at 99%-ERR_NAME_NOT_RESOLVED Fix Using Command Prompt
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.