Fix Command Prompt Error 0xc0000142 on Windows - Resolve Windows Defender Update Error 0x80070643-npm install ENOENT: package.json Not Found Fix

Updated 2026-06-13 20:58:15developer-tools

Fix Command Prompt Error 0xc0000142 on Windows - Resolve Windows Defender Update Error 0x80070643-npm install ENOENT: package.json Not Found 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.