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Windows Defender Real-Time Protection Error 0x80070422 Fix - Chrome Profile Proxy Authentication Error Guide-Resolve Task Scheduler Access Denied Due to UAC

Updated 2026-06-14 20:51:06office-tools
Windows Defender Real-Time Protection Error 0x80070422 Fix - Chrome Profile Proxy Authentication Error Guide-Resolve Task Scheduler Access Denied Due to UAC
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.

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