How to eliminate cpuz139_x64 driver problemsThe cpuz139_x64.sys (CPUID driver) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
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The cpuz139_x64.sys process is also known as CPUID Driver or, as the case may be, cpuz139 and is a part of CPUID service. This software is produced by CPUID. An obsolete or defective version of cpuz139_x64.sys can cause problems for your computer that can range from slowness to error messages such as these:
- CPUID driver has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- CPUID driver has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- cpuz139_x64.sys has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module cpuz139_x64.sys. Read of address 00000000.
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What you should know about cpuz139_x64.sys CPUID driver
cpuz139_x64.sys is not part of Windows, but it is important nonetheless. Cpuz139_x64.sys is found in a subdirectory of C:\Windows.
The file size is 43,328 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. It is unusual for the service not to provide any indication of how and why it is required. The cpuz139_x64 file was developed by a so-called third party provider - and not by Microsoft. The program executes in the background, and can only be terminated using Windows Task Manager. The original file has a digital certificate (see its file properties). This file possesses a digital signature from Verisign.com, which should confirm its trustworthiness. cpuz139_x64.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 10% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves cpuz139_x64.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about cpuz139_x64?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall CPUID service
To remove CPUID driver from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. You find it in the lower left corner of the taskbar.
- Type the word uninstall.
- Click Add or remove programs.
- Now locate CPUID service in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if cpuz139_x64.sys (CPUID driver) was uninstalled cleanly
After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of CPUID driver. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for CPUID driver or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.
What to do if a program does not uninstall
The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.
Last but not least
If Windows not working quite right for you, or if startup is taking a long time, or cpuz139_x64.sys is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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