Local security authority handles high CPU usage on Windows 11

Also known as LSASS.exe, the Local Security Authorization Process is an executable file that handles security operations for Windows computers.

This includes features such as password verification, password changes, and creating access tokens across multiple applications.

If your local security authority is experiencing problems using too much CPU power, your system may be compromised.

This will cause the program to take up too much CPU resources and occupy memory.

What should I do if my PC's local security authority is using high CPU?

1. Check for Windows Updates

1. Go to the search button in the lower left corner of the screen.
2. Type Settings , and click Applications.

2. Settings will open different options.
3. Scroll down and select Update & Security.

3. Click the Check for Updates button to have your computer check for available Windows updates. This may take some time.

4. If you are up to date, please continue to the next solution. If not, please consider downloading and installing the update.

Sometimes, Windows updates come with bugs and glitches that affect local security authorities. Microsoft periodically sends fixes with follow-up updates, which sometimes don't download to your system right away.

2. Scan for viruses

2.1. Check for fake LSASS.exe programs on your computer.

1. Open File Explorer. In the This PC window, click your Local Disk(C:).
2. Scroll down to Windows and press Enter.
3. Scroll down to system32 and press Enter
4. Check if the lsass.exe file is spelled correctly and if it is an exception Large files.
5. Remove any misspelled programs.

2.2. The best and safest way to remove any malicious files and programs from your computer is to use anti-virus software

## through an antivirus program.

If you are looking for reliable antivirus protection, consider ESET Internet Security. It is designed to protect your system from such malicious programs.

⇒ Get Eset Internet Security

3. Perform System Restore

Go to the search button at the bottom left of the screen and search
1. Create a restore point

Select the
2. System Protectiontab to open it
Find and select
3. System Restore . Then click Next.

Select a restore point and choose to scan for affected programs. This option will let you know what changes to expect.
4. Close the
5. window scanning for affected programs. Select
Next
6. and follow the prompts to create a restore point for your computer.
Please note that if you have never created a system protection system before, you may encounter an error in

Step 2

. This means that you will not be able to apply this solution to your computer and should continue to the next solution.

Consider setting up protection and if you run into problems, this detailed tutorial will help you.

Any fixes worked for you?

Remember to always keep your system well updated to keep your computer system healthy and robust.

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