What is parport?
Parport.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if parport.sys is a Windows system file or if it belongs to an application that you can trust.
Run a free scan to check for parport drivers in need of updating
Parport.sys file information
The process known as Parallel Port Driver or Treiber für parallelen Anschluss or Párhuzamos port illesztõprogramja belongs to software Microsoft Windows Operating System or Microsoft Windows operációs rendszer or Betriebssystem Microsoft Windows by Microsoft (www.microsoft.com).
Description: The original parport.sys is an important part of Windows and rarely causes problems. Parport.sys is located in the C:\Windows\System32\drivers folder.
Known file sizes on Windows 10/8/7/XP are 80,128 bytes (84% of all occurrences), 79,360 bytes or 80,384 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs.
The file is a Windows core system file. The program has no visible window. It is a Microsoft signed file. The service has no detailed description.
parport.sys appears to be a compressed file.
Therefore the technical security rating is 2% dangerous; however you should also read the user reviews.
Recommended: Identify parport.sys related errors
Important: Some malware disguises itself as parport.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the parport.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Best practices for resolving parport issues
A clean and tidy computer is the key requirement for avoiding problems with parport. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the parport.sys process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
frontpanelio.exe ptwatchdog.exe p17def.exe parport.sys dexplore.dll sasdifsv64.sys nzm.exe rayserver.exe fahcore_82.exe vulan.exe sdshlext.dll [all]
Score
User Comments
Larry
Mustang
ana bela dos santos lino
Summary: Average user rating of parport.sys: based on 4 votes with 3 user comments. 3 users think parport.sys is essential for Windows or an installed application. One user thinks parport.sys is dangerous and recommends removing it. 2 users don't grade parport.sys ("not sure about it").