Fix Windows Defender High CPU Usage on Windows 11 - How to Resolve Windows Activation Expired Post-Upgrade-Fixing pnpm Frozen Lockfile Errors: Practical Steps

Updated 2026-06-13 20:08:13office-tools

Fix Windows Defender High CPU Usage on Windows 11 - How to Resolve Windows Activation Expired Post-Upgrade-Fixing pnpm Frozen Lockfile Errors: Practical Steps

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.