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Fix Windows Security Error 0x80073b01: App Install Blocked - Resolve PowerShell Get-ChildItem Permission Errors-How to Unblock Internet After Windows Firewall Blocks It

2026-06-13 16:37:26
Fix Windows Security Error 0x80073b01: App Install Blocked - Resolve PowerShell Get-ChildItem Permission Errors-How to Unblock Internet After Windows Firewall Blocks It

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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