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Fix Task Scheduler Authentication Failed on Windows 10 - Outlook 0x80040115 Connection Refused Fix-How to Fix Windows Search Auth Failure After Changing Password

2026-06-13 21:55:39
Fix Task Scheduler Authentication Failed on Windows 10 - Outlook 0x80040115 Connection Refused Fix-How to Fix Windows Search Auth Failure After Changing Password

Result check

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