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Fix OBS Black Screen After Update: Practical Steps - How to Fix Windows Smart Card Authentication Failed Error-Resolve Windows Defender Locked File Issue

2026-06-13 13:54:25
Fix OBS Black Screen After Update: Practical Steps - How to Fix Windows Smart Card Authentication Failed Error-Resolve Windows Defender Locked File Issue

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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