Fix Git 'index.lock file exists' Error - Chrome Memory Saver Mode Not Working: Quick Fixes-ERR_NAME_NOT_RESOLVED After Chrome Update Fix

Updated 2026-07-28 09:25:00macos-help
Fix Git 'index.lock file exists' Error - Chrome Memory Saver Mode Not Working: Quick Fixes-ERR_NAME_NOT_RESOLVED After Chrome Update 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.