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Windows Defender Blank Screen: Troubleshooting Steps - Fix 0x80073cf9: Microsoft Store Download Error-Windows Defender Stuck on Loading Registry – How to Fix

2026-06-13 15:21:33
Windows Defender Blank Screen: Troubleshooting Steps - Fix 0x80073cf9: Microsoft Store Download Error-Windows Defender Stuck on Loading Registry – How to Fix

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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