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Python Import Error: Module Not Found Despite Being Installed - Re-Enable Windows Defender When It's Permanently Off-How to Fix a Dead Jupyter Kernel

2026-06-13 15:30:21
Python Import Error: Module Not Found Despite Being Installed - Re-Enable Windows Defender When It's Permanently Off-How to Fix a Dead Jupyter Kernel

Result check

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