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How to eliminate SISAGPX driver problems

The SISAGPX.sys (SiS AGPv3.5 Filter) 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.
Click here to check if you need to update your SISAGPX driver.

The SISAGPX.sys process is also known as SiS AGPv3.5 Filter and is a part of SiS AGPv3.5 Filter for Windows XP. This software is produced by Silicon Integrated Systems (www.sis.com). An obsolete or defective version of SISAGPX.sys can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about SISAGPX.sys SiS AGPv3.5 Filter

SISAGPX.sys is not part of Windows, but it is important nonetheless. SISAGPX.sys is found in the C:\Windows\System32\drivers directory. Frequently occurring are file sizes such as 36,992 bytes (55% of all these files), 36,608 bytes or, as the case may be, 35,712 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. This SISAGPX program does not appear as a visible window, but only in Task Manager. There is no concrete documentation available for this service. It was developed by a so-called third party provider - and not by Microsoft. To verify its trustworthiness, Microsoft has provided it with an embedded certificate. SISAGPX.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, 16% 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 SISAGPX.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 SISAGPX?

installing acelerated video
Part of SiS Accelerated Graphics Port driver on ASRock K7S8XE motherboard
SiS AGPv3.5 Filter

Summary: 5 users judge SISAGPX.sys to be an essential file that should not be touched. One user considers it harmless. source: file.net

How to uninstall SiS AGPv3.5 Filter for Windows XP

SISAGPX.sys SiS AGPv3.5 Filter fix

To remove SiS AGPv3.5 Filter from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for SiS AGPv3.5 Filter for Windows XP in the list of available programs.
  5. Click Uninstall.

How to tell if SISAGPX.sys (SiS AGPv3.5 Filter) 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 SiS AGPv3.5 Filter. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for SiS AGPv3.5 Filter 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 SISAGPX.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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