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Windows 11 Installation Assistant Stuck at 99%: Fixes That Work - Node Sass Build Failed: Environment Variable Fix-Troubleshoot NGINX SSL Backend Connection Refused

2026-07-28 10:05:05
Windows 11 Installation Assistant Stuck at 99%: Fixes That Work - Node Sass Build Failed: Environment Variable Fix-Troubleshoot NGINX SSL Backend Connection Refused

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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