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How to Fix lsass.exe High CPU Usage on Windows 11

  • lsass.exe is a crucial process for user authentication and security policies on Windows 11, but it can sometimes cause high CPU usage issues.
  • The original lsass.exe file is not a virus, and it should be located in C:\Windows\System32.
  • Check for multiple lsass.exe processes in Task Manager and verify their file paths to detect potential malware.
  • Common misspellings like lsass .exe, lsassa.exe, lsasss.exe, Isassa.exe might indicate malicious files.
  • To fix lsass.exe high CPU usage, try restarting your Windows 11 computer to eliminate bugs and glitches.
  • Performing a full antivirus scan and running a rootkit scan with Malwarebytes can help identify and remove malware.
  • Running SFC/DISM commands to check for system file corruption is recommended to resolve high CPU usage.
  • Keeping Windows 11 updated is advised to receive security patches and bug fixes that may address high CPU usage.
  • If issues persist, consider performing a system restore using previously created restore points to resolve lsass.exe problems.
  • Following these steps should help fix lsass.exe high CPU usage problems on Windows 11 and ensure system security.

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