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Windows 10 Activation Stuck on Checking Internet Connection - How to Allow FileZilla Through Your Firewall-How to Fix Command Prompt 502 Bad Gateway Error

Updated 2026-06-14 00:04:11security-tools
Windows 10 Activation Stuck on Checking Internet Connection - How to Allow FileZilla Through Your Firewall-How to Fix Command Prompt 502 Bad Gateway Error
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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