How to eliminate pfc driver problemsThe pfc.sys (Padus ASPI Shell) 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 pfc driver.
The pfc.sys process is also known as Padus ASPI Shell or, as the case may be, Padus R ASPI Shell and is a part of Padus ASPI Shell or, as the case may be, Adobe Audition. This software is produced by Padus (www.padus.com). An obsolete or defective version of pfc.sys can cause problems for your computer that can range from slowness to error messages such as these:
- Padus ASPI Shell has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Padus ASPI Shell 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)
- pfc.sys has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module pfc.sys. Read of address 00000000.
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What you should know about pfc.sys Padus ASPI Shell
pfc.sys is not part of Windows, but it is important nonetheless. The file pfc.sys is found in the C:\Windows\System32\drivers directory.
Frequently occurring are file sizes such as 10,368 bytes (43% of all these files), 9,856 bytes as well as 5 other variants.
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 pfc program does not have a visible window, and does not appear on the taskbar. For this service - unlike Windows' own system services - there is no good description available. The file is no part of Microsoft Windows. pfc.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, 39% 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 pfc.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 pfc?
|Installed by interlink intervideo player |
|I removed it and lost my optical drives (windows could not find) |
|Listed as a driver for samsung DVD burner, but is digitally unsigned. |
|Padus, Inc. is a leading developer of professional CD and DVD duplication, |
|Installed by nstant media Nvidia DVD decoder |
Summary: 39 users judge pfc.sys to be an essential file that should not be touched. 8 users consider it harmless. However, 2 users consider this to be a suspicious process and would like to get rid of it. source: file.net
How to uninstall Padus ASPI Shell or Adobe Audition
To remove Padus ASPI Shell from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. In Windows 8, look for Control Panel.
- Click Control Panel.
- Click Uninstall a program.
- Look for Padus ASPI Shell or Adobe Audition in the list of available programs.
- Click Uninstall.
How to tell if pfc.sys (Padus ASPI Shell) 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 Padus ASPI Shell. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Padus ASPI Shell 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 pfc.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.