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Fix Windows Update Error 0x80070002 on Windows 11 - Replace node-sass with sass: Migration Guide-Cloudflare 521 Error: DNS and Server Checks

2026-07-28 15:18:04
Fix Windows Update Error 0x80070002 on Windows 11 - Replace node-sass with sass: Migration Guide-Cloudflare 521 Error: DNS and Server Checks

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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