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Fix Windows Activation Port Blocked by Another Application - How to Enable Windows Defender Service (Code 0x80070422)-How to Fix Command Prompt Connection Refused Error

Updated 2026-06-14 07:12:00developer-tools

Fix Windows Activation Port Blocked by Another Application - How to Enable Windows Defender Service (Code 0x80070422)-How to Fix Command Prompt Connection Refused Error

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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