Fix Windows Security High CPU Usage and Slow PC - How to Fix Windows Defender Error 0x800704ec After Update-Troubleshoot Command Prompt Module Error Post-Update

Updated 2026-06-15 18:31:58security-tools
Fix Windows Security High CPU Usage and Slow PC - How to Fix Windows Defender Error 0x800704ec After Update-Troubleshoot Command Prompt Module Error Post-Update
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.