Change Windows Update Port to Fix 'Already Allocated' Error - Fix 7-Zip Error 'Cannot Open File as Archive' for Malware Files-Windows Security Blank Screen: How to Fix It

Updated 2026-06-13 12:47:59office-tools
Change Windows Update Port to Fix 'Already Allocated' Error - Fix 7-Zip Error 'Cannot Open File as Archive' for Malware Files-Windows Security Blank Screen: How to Fix It
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.