Fix Apache Not Starting: Port 80 Already in Use - How to Reset Microsoft Store Cache on Windows 11-Windows Security Shield Missing from Taskbar

Updated 2026-06-13 14:22:06cloud-software
Fix Apache Not Starting: Port 80 Already in Use - How to Reset Microsoft Store Cache on Windows 11-Windows Security Shield Missing from Taskbar
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.