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Home / macos-help / Fix Git 'index.lock file exists' Error - Pip Externally Managed Environment: What It Means and How to Fix-Windows 11 Installation Assistant Hangs at 99% – Antivirus Fix

Fix Git 'index.lock file exists' Error - Pip Externally Managed Environment: What It Means and How to Fix-Windows 11 Installation Assistant Hangs at 99% – Antivirus Fix

Updated 2026-07-28 03:18:42macos-help
Fix Git 'index.lock file exists' Error - Pip Externally Managed Environment: What It Means and How to Fix-Windows 11 Installation Assistant Hangs at 99% – Antivirus Fix
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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