How to fix HtcVComV64.sys Memory Integrity error in Windows?

Issue: Hello, I am unable to enable Memory Integrity protection due to the HtcVComV64.sys driver. Any tips on how to deal with this problem would be appreciated.

Solved Answer

Microsoft Defender is a security program that is part of the Windows operating system and provides several features to guard against threats and malicious software. One such feature is Memory Integrity, which prevents malicious software from corrupting or altering data kept in a computer's memory.

Because it provides comprehensive defense against a variety of security threats, memory integrity is an essential part of Microsoft Defender. It is part of preventing malware from altering data in memory to evade detection and from inserting itself into active processes. Furthermore, by preserving the original state of data in memory, it shields against attacks that make use of flaws in the operating system or other applications.

Nevertheless, a few users have mentioned having trouble activating Core isolation or maintaining memory integrity. In particular, they noticed issues with the HtcVComV64.sys driver, which has the potential to abruptly halt memory integrity from functioning or to prevent it from being enabled.

HtcVComV64 is a system file associated with software or drivers related to HTC devices, typically with VR headsets and phones. However, in this case, the trouble is that users who receive the issue have a USB modem driver installed which is quite outdated (the last update was released in 2015 for Windows 7).

You might experience problems with enabling Memory Integrity due to the HtcVComV64.sys driver because Windows conducts security checks to ensure that all drivers are suitable before allowing the feature to be enabled. If the driver does not meet security standards, it will be pointed out in the Windows Defender's notification.

To fix the HtcVComV64.sys error, you must remove the outdated driver from your computer because it does not serve any purpose. Below you will find all the instructions for precisely these steps.

Before proceeding with the methods below, please make sure that Windows has been updated to the most recent version. Furthermore, damaged system files may result in other device issues. We, therefore, recommend running a scan with a PC repair tool FortectMac Washing Machine X9 before proceeding.

How to fix HtcVComV64.sys Memory Integrity error in Windows?

Fix 1. Uninstall the driver via the Control Panel

The first thing you should check is whether you have some HTC software installed on your system. To do this, simply access the Control Panel as follows:

  • Type Control Panel in Windows search and press Enter.
  • Go to Programs > Uninstall a program.
  • From the list, locate associated software, for example, Roxio.
  • Right-click and select Uninstall.
  • Follow on-screen instructions to remove the program.

Uninstall via Control Panel

Fix 2. Uninstall the driver via Device Manager

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In case you do not have any associated software installed on your system, you can try to find the driver in the Device Manager and get rid of it from there.

  • Right-click on Start and pick Device Manager.
  • Expand the Network adapters section (although this might be located under other sections).
  • Right-click on the driver and select Uninstall device.
  • If any prompts show up, confirm them.
  • Restart your system.

Uninstall via Device manager

Fix 3. Uninstall the driver via Command Prompt

If neither of the previous solutions worked for you, please use the instructions below to remove the HtcVComV64.sys driver using Command Prompt.

  • Type in cmd in Windows search.
  • Right-click on Command Prompt and select Run as administrator.
  • When the User Account Control window shows up, click Yes.
  • Use the following command and press Enter:
    reg export “HKLM\SYSTEM\CurrentControlSet\Services\HtcVCom32” c:\backup.reg
  • You should see a message “The operation completed successfully.”
  • Type in the next command and press Enter:
    sc.exe qc HtcVCom32
  • Restart your PC.

Remove via Command Prompt

If that does not get rid of the driver, follow these steps:

  • Copy and paste the following command, pressing Enter after:
    dism /online /get-drivers /format:table
  • Your goal is to find the “Published Name” based on the “Original File Name” in the table.
  • Next, copy and paste the following command, and press Enter:
    pnputil /delete-driver DRIVERNAME.inf /uninstall /force (note that you should replace DRIVERNAME with the correct name)
  • Restart your computer.

Fix 4. Use Autoruns

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  • Download Autoruns for Windows from the official website.
  • Go to the Downloads folder or anywhere else your files are directed to be placed.
  • Right-click on the ZIP file, select Extract to Autoruns, and enter the folder when done.
  • Select the right version: Autoruns.exe if you are using 32-bit Windows or go for Autoruns64.exe if you are using 64-bit Windows.
  • Right-click on the correct EXE file and select Run as administrator.
  • When the UAC window shows up, click Yes.
  • In the search box, type the name of the driver causing the problem – HtcVComV64.sys.
  • If any entries are found, right-click and pick Delete.

Use Autoruns

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About the author
Ugnius Kiguolis
Ugnius Kiguolis - The problem solver

Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.

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