lsass.exe is a task that authenticates users and logs them in.
Many Windows 11 users have recently reported the LSASS.EXE high CPU usage problem.
Is lsass.exe a virus?
The original location for the lsass.exe isC:\Windows\System32(if C: is your system installation drive).
Its essential to check whether two or more lsass.exe are running on the Task Manager.
If you find multiple variants, check their file path.
The fake one is likely to have a spelling mistake.
Here are the best things to do.
This can lead to high CPU usage problems.
Restarting your Windows 11 PC is the best way to eliminate such bugs and glitches.
Restarting the computer at regular intervals is a good practice that you should make a habit of.
It gives your machine time to cool down and releases memory.
To do this, click theWindows 11 Power Menuand selectRestart.
So, its important to ensure that raising CPU usage is legitimate.
Heres what you better do.
- throw in in Windows Security on the Windows Search.
Next, open theWindows Securityapp from the list.
When the Windows Security opens, select theVirus & Threat Protectiontab.
- tap on theScan optionsunder theCurrent Threats.
SelectFull Scanand hit theScan Nowbutton.
The Windows Security app will find and remove all hidden malware from your gear.
This should remove all malicious lsass.exe files from your PC.
So, to avoid the risk of rootkits, you should probably run a root scan with Malwarebytes.
Heres what it’s crucial that you do.
Download & InstallMalwarebyteson your Windows 11 PC.
Once installed, open Malwarebytes.
On the left sidebar, click onSettings.
Next, switch to theScan and Detectionssection.
On the Scan Options,enablethe toggle for Scan for rootkits.
Next, move to the main screen and click onScan.
Malwarebytes will run a rootkit scan.
Run SFC/DISM Command
System file corruption is another prominent reason for lsass.exe high CPU usage.
Hence, you might try running the SFC utility on your gear.
Heres what you should probably do.
- bang out in Command Prompt on the Windows 11 search.
Next, right-hit the Command Prompt and selectRun as administrator.
When the Command Prompt opens, execute this command:
3.
If the System file checker utility returns an error, execute these three commands one by one.
After executing all these commands, reboot your Windows 11 PC.
This should fix LSASS.EXE high CPU usage problem.
Its a good security practice to keep Windows 11 up to date at all times.
So, you should probably upgrade your Windows 11 to fix the issue.
You must head toSettings>Windows Updates>Check for Updatesto download & install all pending updates.
However, this method wont be useful if you dont have any restore points.
- punch in inRecoveryon the Windows 11 search.
Next, initiate the Recovery app from the list of configs.
When the Recovery app opens, tap on theOpen System Restore.
SelectChoose a different Restore pointon the System Restore dialog box.
Now choose the restore point created before the problem appears first.
Once selected, choose theNextbutton.
On the confirmation screen, choose theFinishbutton.
These are the few best methods to fix the lsass.exe high CPU usage problem.
If you have followed all methods carefully, chances are that the lsass.exe high CPU usage is already fixed.
Let us know if you need more help understanding lsass.exe on Windows 11.
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