Fix Windows Defender Crashing After Update Error 0x800704ec - Task Scheduler Not Loading: Troubleshooting Guide-Fix PowerShell Reset Not Working – Step by Step

Updated 2026-06-13 21:49:08macos-help
Fix Windows Defender Crashing After Update Error 0x800704ec - Task Scheduler Not Loading: Troubleshooting Guide-Fix PowerShell Reset Not Working – Step by Step
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.