Windows 10 – High CPU usage by ‘Local Security Authority Process’

If you are experiencing high CPU usage by the ‘Local Security Authority Process’ on your Windows 10 computer, it can be quite frustrating as it can slow down your system and affect its performance. The Local Security Authority Process (LSASS) is a critical system process that manages security policies on your computer. It is responsible for verifying the authenticity of users who are logging in to your system and granting them access to resources.

Here are some possible reasons why you might be experiencing high CPU usage by LSASS:

1. Malware or virus infection: Malware or virus infections can cause LSASS to consume high CPU resources. Malware can modify LSASS to perform malicious activities on your computer.

2. Corrupted system files: Corrupted system files can cause LSASS to malfunction and consume high CPU resources.

3. Outdated or faulty drivers: Outdated or faulty drivers can cause LSASS to consume high CPU resources.

4. Windows updates: Sometimes, Windows updates can cause LSASS to consume high CPU resources.

Here are some steps you can take to fix the high CPU usage by LSASS:

1. Run a malware scan: Use a reliable antivirus software to scan your computer for malware or virus infections. If any infections are found, remove them immediately.

2. Run a system file checker: Use the System File Checker tool to scan your system for corrupted system files and repair them.

3. Update your drivers: Make sure all your drivers are up to date. You can use a driver update tool to automatically update your drivers.

4. Check for Windows updates: Make sure your Windows operating system is up to date. Install any pending updates.

5. Disable unnecessary services: Disable any unnecessary services that are running on your computer. This can help reduce the load on LSASS.

In conclusion, high CPU usage by LSASS can be caused by various factors, including malware infections, corrupted system files, outdated or faulty drivers, and Windows updates. By following the steps outlined above, you can fix the issue and improve the performance of your Windows 10 computer.

Conclusion

if you are experiencing high CPU usage by LSASS on your Windows 10 computer, don’t panic. There are several steps you can take to fix the issue and improve your system’s performance. By running a malware scan, using the System File Checker tool, updating your drivers, checking for Windows updates, and disabling unnecessary services, you can reduce the load on LSASS and ensure that your computer runs smoothly. If you continue to experience high CPU usage after trying these solutions, it may be worth seeking professional help to diagnose and fix the issue.

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