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Fix Windows Security Invalid Configuration Error Without Reinstalling - Windows Defender High Memory Usage: Error 0x80070002 Fix-Fix Windows Update Stuck on 'Checking for Updates' Due to DNS

2026-06-13 18:46:57
Fix Windows Security Invalid Configuration Error Without Reinstalling - Windows Defender High Memory Usage: Error 0x80070002 Fix-Fix Windows Update Stuck on 'Checking for Updates' Due to DNS

Result check

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

Next references

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