Tag: windows security

What is PxHlpa64.sys and How to Uninstall it

Published on: April 18, 2025 by Ramesh

pxhlpa64.sys - incompatible drive - uninstall

PxHlpa64.sys is a module supplied with DVD-burning programs, such as Roxio/Sonic, which Corel Corporation now owns. The PxEngine is also licensed by various 3rd-party software developers specializing in disc burning software. Other programs, such as Adobe Premiere Elements, appear to utilize this module for DVD-burning capabilities.

This driver is flagged as incompatible when you try to enable Memory Integrity. This driver is also known to cause the 0xC1900101 errors during the Windows 11 setup.Read more

Memory Integrity “Incompatible drivers” is empty

Last Updated on: January 27, 2026 by Ramesh

The Core isolation page in Windows Security may show that the Memory integrity feature is off and your device may be vulnerable. It suggests that you resolve any driver incompatibilities and try again. If you try to enable Memory integrity or click “Scan again”, the “Incompatible drivers” page may be empty.Read more

[Fix] Windows Defender 100% CPU Usage During Full Scan

Last Updated on: March 9, 2026 by Ramesh

When you run a full scan using Microsoft Defender Antivirus, about 30 seconds to 1 minute into the scan, the CPU usage spikes and uses up all the remaining CPU. Its CPU usage remains at 100% throughout the full scan. The CPU fan becomes loud. Due to this issue, systems with heating issues may abruptly … Read more

Windows Security is Blank in Windows 11

Last Updated on: April 11, 2026 by Ramesh

After resetting your computer or performing a clean install of Windows 11, the Windows Security app may not load. It may stall with the shield icon showing up or a blank page. This happens even if you’ve chosen the Cloud download option during the Reset.Read more

SecurityHealthService “The service is not responding to the control function” Error

Last Updated on: April 29, 2024 by Ramesh

The Windows Security app may not open or the window may appear blank. When you try to start “Windows Security Service” (SecurityHealthService) via Services MMC or command-line, it may get stuck in the “START_PENDING” state and the following error may appear:

The service is not responding to the control function.

How to Bulk Reset Exclusions in Windows Defender

Published on: July 24, 2023 by Ramesh

In the aftermath of a malware attack, you often end up with unwanted exclusion entries in Microsoft Defender Antivirus. Exclusions may exist for a folder, file, file type, or process. These exclusions can be cleared by opening the Virus and Threat Protection page in Windows Security.Read more

SecurityHealthSystray.exe – Bad Image 0xC000012F Error

Last Updated on: April 7, 2026 by Ramesh

You may be unable to access the Windows Security app on your Windows 11 computer. And when you login to your account, the following error message appears:

SecurityHealthSystray: SecurityHealthSystray.exe - Bad Image

\?\C:\Windows\System32\SecurityHealth\1.0.2303.27001-0\SecurityHealthSSO.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support. Error status 0xc000012f

[Fix] Local Security Authority protection is off; device may be vulnerable

Last Updated on: May 6, 2023 by Ramesh

When you enable the Local Security Authority protection in Windows Security → Device Security → Core isolation page on your Windows 11 22H2 (and higher) computer, the yellow exclamation continues to appear.Read more

Why Is Windows Defender Running Alongside my Antivirus Program?

Last Updated on: April 1, 2024 by Ramesh

Is Windows Defender running alongside their main antivirus program, as the icons for both programs are visible in the Notification area? Isn’t Windows Defender supposed to turn itself off when it detects a third-party antivirus program?Read more