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Fix Windows Security App Missing from Start Menu - Fix Git 'index.lock' File Exists Error in IntelliJ-Fix 521 Origin Connection Error After Server Update

Updated 2026-07-28 10:28:36developer-tools
Fix Windows Security App Missing from Start Menu - Fix Git 'index.lock' File Exists Error in IntelliJ-Fix 521 Origin Connection Error After Server Update
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.