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Fix Python venv Activation Script Not Running in PowerShell - Troubleshoot Windows Security Launch Failure-Task Scheduler Event ID 104: Version Mismatch Fix

2026-06-20 03:10:30
Fix Python venv Activation Script Not Running in PowerShell - Troubleshoot Windows Security Launch Failure-Task Scheduler Event ID 104: Version Mismatch Fix

Result check

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

Next references

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