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Fix VS Code Terminal Not Opening with Node - How to Fix Cloudflare 521 Error with Wildcard Subdomains-Fix Edge Sync Not Working Due to Third-Party Antivirus

Updated 2026-07-28 17:41:39cloud-software
Fix VS Code Terminal Not Opening with Node - How to Fix Cloudflare 521 Error with Wildcard Subdomains-Fix Edge Sync Not Working Due to Third-Party Antivirus
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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