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Fix GitHub Actions Cache Action Permission Denied Error - Install Microsoft Teams Without Admin Rights: Practical Methods-Group Policy Causing Defender Token Expired

2026-06-17 13:12:58
Fix GitHub Actions Cache Action Permission Denied Error - Install Microsoft Teams Without Admin Rights: Practical Methods-Group Policy Causing Defender Token Expired

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.