Fix Chrome Sync Not Working Due to Proxy Settings - Fix Windows Update Error 0x80070005-Wildcard Subdomain Caching Issues in Cloudflare

Updated 2026-07-28 23:24:13macos-help
Fix Chrome Sync Not Working Due to Proxy Settings - Fix Windows Update Error 0x80070005-Wildcard Subdomain Caching Issues in Cloudflare
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.