While this driver is generally reliable, it can sometimes cause problems that lead to system crashes.
Here are some methods to fix it.
Some users report that they meet the hswultpep.sys failure issue on Windows 11/10.
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This issue can be due to outdated drivers, software interference, virus attack, or hardware issues.
There are 2 situations: your PC can boot normally and cant boot normally.
Your PC can boot normally
Step 1: Press Windows + I to open theSettingsapp.

Step 2: Go toSystem>Recovery.
Step 3: Under theAdvanced startuppart, clickRestart now.
Step 4: On theChoose an optionscreen, clickTroubleshoot>Advanced options.

Step 5: On theAdvanced optionspage, selectStartup controls.
Step 6: Press the key to selectEnable Safe Mode with Networkingand clickRestart.
Press thePowerbutton again to boot it.
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Step 3: On theChoose an optionpage, clickTroubleshoot.
SelectAdvanced optionsand chooseStartup tweaks
Step 4: Press the key to selectEnable Safe Mode with Networkingand clickRestart.
Method 2: Disable XMP
XMPis an abbreviation for Extreme Memory Profile.

So, if you have enabled it before, it could be the reason for the hswultpep.sys failure error.
Step 2: Find theExtreme Memory Profile (X.M.P)option to selectDisabled.
Step 3: Then, reboot your PC and test whether the error is fixed.

You will meet the hswultpep.sys failure issue if you have incompatible, corrupt, missing, or outdated drivers.
To solve the issue, you should probably update the driver.
Step 1: TypeDevice Managerin theSearchbox to open it.
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Step 2: Double-clickNetwork adaptersto expand it (assuming the Bluetooth driver is causing the problem).
Then right-click your Wi-Fi driver and chooseUpdate driver.
Step 3: You will be asked how you want to search for drivers in the pop-up window.
You should chooseSearch automatically for updated driver softwareand then follow the instructions to complete the process.
Where to download Intel web link drivers Windows 11?
How to install and update it?
what are the methods to solve Intel data pipe not working errors?
Sometimes, hswultpep.sys failure may be sparked by corrupted Windows system files.
Here are the steps to fix it:
Step 1: Run Command Prompt as administrator.
Step 2: Typesfc /scannowand then pressEnter.
Wait patiently until the verification process 100% completes.
Then reboot the computer to see whether the hswultpep.sys error still exists.
So, pop in the correct command.
Thus, you had better uninstall the latest update and power cycle your machine.
Step 1: Go toControl Panel.
UnderPrograms, clickUninstall a program.
Step 2: ClickView installed updatesto uninstall an update.
Step 3: Then find the recent update and right-click t to choose Uninstall.
Here is a piece offree backup softwarefor you MiniTool ShadowMaker.
MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
Step 1: Launch MiniTool ShadowMaker Trial Edition in Windows.
Step 3: You only need to clickDESTINATIONto choose a path to save the system image file.
Step 4: ClickBack Up Nowto execute the backup task at once.
This post tells you how to back up a computer.
Final Words
To sum up, this post has introduced how to fix the hswultpep.sys failure issue.
If you want to fix the issue, you’re free to take the above solutions.