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Fix Windows Security DNS Error Using Command Prompt - How to Fix a Blank PowerShell Window with No Cursor-UFW Port Range Rule Not Opening? Here's What to Check

2026-06-18 14:50:38
Fix Windows Security DNS Error Using Command Prompt - How to Fix a Blank PowerShell Window with No Cursor-UFW Port Range Rule Not Opening? Here's What to Check

Result check

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