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Home / cloud-software / Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist - Fix Windows Activation Version Mismatch After Hardware Change-How to Fix Microsoft Store Proxy Error

Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist - Fix Windows Activation Version Mismatch After Hardware Change-How to Fix Microsoft Store Proxy Error

2026-06-13 18:59:02
Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist - Fix Windows Activation Version Mismatch After Hardware Change-How to Fix Microsoft Store Proxy Error

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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