zhizhu
Home / office-tools / Fix PowerShell Connection Refused Errors - High CPU Usage Due to Windows Activation Not Working-Windows Defender Firewall Blocking Internet? Here's How to Fix

Fix PowerShell Connection Refused Errors - High CPU Usage Due to Windows Activation Not Working-Windows Defender Firewall Blocking Internet? Here's How to Fix

2026-06-14 12:46:13
Fix PowerShell Connection Refused Errors - High CPU Usage Due to Windows Activation Not Working-Windows Defender Firewall Blocking Internet? Here's 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

How to Fix Microsoft Teams Failed to Start ErrorHow to Resolve PowerShell Connection TimeoutBitLocker Version Mismatch Troubleshooting ChecklistFix Chrome Extension Access Denied Error (Code)Clear Windows Update Cache via Command LineHow to Fix 'Clear' Command Not Recognized in Windows Terminal