Fix Microsoft Store Not Opening After Windows Update - How to Resolve 502 Bad Gateway in IIS with PowerShell-Fix Windows 11 Activation Error 0xc004f074

Updated 2026-06-13 16:54:33security-tools
Fix Microsoft Store Not Opening After Windows Update - How to Resolve 502 Bad Gateway in IIS with PowerShell-Fix Windows 11 Activation Error 0xc004f074
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.