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Fixing Cloudflare 521 Error: Enable Origin Pull Setup - Chrome Startup Crash Fix: Hardware Acceleration-Resolve Chrome's Repeated Sign In Prompt for Sync

Updated 2026-07-28 08:02:55browser-issues
Fixing Cloudflare 521 Error: Enable Origin Pull Setup - Chrome Startup Crash Fix: Hardware Acceleration-Resolve Chrome's Repeated Sign In Prompt for Sync
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.

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