Fix PowerShell 502 Bad Gateway After Windows Update - How to Troubleshoot Windows Security Log 4625 Errors-npm Permission Denied: Fix EACCES Cache and Global Install

Updated 2026-06-15 23:50:31cloud-software
Fix PowerShell 502 Bad Gateway After Windows Update - How to Troubleshoot Windows Security Log 4625 Errors-npm Permission Denied: Fix EACCES Cache and Global Install
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.