How to Fix Git Push Rejected Non-Fast-Forward Error - Fix npm install Permission Denied When Using nvm-Windows Security App Not Opening as Administrator: Fixes

Updated 2026-07-28 18:17:22cloud-software
How to Fix Git Push Rejected Non-Fast-Forward Error - Fix npm install Permission Denied When Using nvm-Windows Security App Not Opening as Administrator: Fixes
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.