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Home / office-tools / Fix 'PowerShell Not Recognized as Internal or External Command' - Fix 'Proxy Authentication Required' in Microsoft Teams-Troubleshooting Docker Exit Code 1

Fix 'PowerShell Not Recognized as Internal or External Command' - Fix 'Proxy Authentication Required' in Microsoft Teams-Troubleshooting Docker Exit Code 1

2026-06-16 13:59:17
Fix 'PowerShell Not Recognized as Internal or External Command' - Fix 'Proxy Authentication Required' in Microsoft Teams-Troubleshooting Docker Exit Code 1

Result check

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

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