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Windows Defender High CPU Usage After Malwarebytes Installation - Fix Microsoft Teams Guest Access Denied Error-Fix Microsoft Store Startup Disabled in Task Manager

2026-06-16 13:01:46
Windows Defender High CPU Usage After Malwarebytes Installation - Fix Microsoft Teams Guest Access Denied Error-Fix Microsoft Store Startup Disabled in Task Manager

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.