Microsoft Teams Clear Cache Troubleshooting Guide - How to Fix Windows Defender Service Unavailable in Windows 10-Troubleshooting 'Connection Refused' Error in Remote Desktop

Updated 2026-06-14 00:21:43windows-fixes
Microsoft Teams Clear Cache Troubleshooting Guide - How to Fix Windows Defender Service Unavailable in Windows 10-Troubleshooting 'Connection Refused' Error in Remote Desktop
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.