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Fix Outlook High Memory Usage & Error 0x80040600 - Remote Desktop Client Missing – Troubleshooting Guide-Resolve Teams Authentication Loop in 5 Steps

2026-06-14 03:21:00
Fix Outlook High Memory Usage & Error 0x80040600 - Remote Desktop Client Missing – Troubleshooting Guide-Resolve Teams Authentication Loop in 5 Steps

Result check

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