T必应池
Home / developer-tools / Fix git index.lock File Exists Error on Windows - How to Fix Windows 11 Installation Stuck at 99%-Windows 11 Installation Assistant Stuck at 99%: Fixes That Work

Fix git index.lock File Exists Error on Windows - How to Fix Windows 11 Installation Stuck at 99%-Windows 11 Installation Assistant Stuck at 99%: Fixes That Work

Updated 2026-07-28 14:22:56developer-tools
Fix git index.lock File Exists Error on Windows - How to Fix Windows 11 Installation Stuck at 99%-Windows 11 Installation Assistant Stuck at 99%: Fixes That Work
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.

Related Software Guides

Fix Windows Explorer Restarting: Performance Troubleshooting Guide Fix Windows Explorer Restarting: Performance Troubleshooting Guide Fix Windows Explorer Restarting After Crash Fix Windows Explorer Restarting After Crash How to Fix Windows Update Service Not Running How to Fix Windows Update Service Not Running Fix Node Sass Build Failed with Visual Studio Build Tools Fix Node Sass Build Failed with Visual Studio Build Tools How to Fix 'Remote Desktop Credentials Did Not Work' How to Fix 'Remote Desktop Credentials Did Not Work' Fix npm ERR! enoent ENOENT: package.json Missing in Project Fix npm ERR! enoent ENOENT: package.json Missing in Project