Microsoft Teams Installation Fails on Windows 10: Fixes That Work - How to Fix PowerShell Proxy Error: Step-by-Step Guide-Troubleshoot Microsoft Store Bad Gateway 502 Error

Updated 2026-06-14 11:57:44backup-recovery
Microsoft Teams Installation Fails on Windows 10: Fixes That Work - How to Fix PowerShell Proxy Error: Step-by-Step Guide-Troubleshoot Microsoft Store Bad Gateway 502 Error
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.