The file procexp151.sys is a process explorer from Sysinternals. Procexp151.sys has a size of 27528 bytes in the Hard Drive and is a copyright (C) of Russinovich 1996-2011. The software is not digitally signed. When the user activates the Process Explorer, it extracts the driver file and loads it into the Random Access Memory (RAM) and eventually removes the file from the Hard Disk Drive (HDD). This service entry can be deleted by the user but the process will be activated again if the user runs the Process Explorer again. This process is usually found in C:\Windows\system32\Drivers\PROCEXP151.SYS. This process usually starts when the Operating System starts. This process is considered to one of the drivers of Microsoft Corporation for the Operating System such as Window XP,Vista, Windows 7 to communicate with the hardware in the Personal Computer (PC). This process is needed in install SysInternal Tool to monitor any changes in the Start up.
How can I stop procexp151.sys and should I?
Most non-system processes that are running can be stopped because they are not involved in running your operating system. procexp151.sys. is used by Microsoft Windows, If you shut down procexp151.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop procexp151.sys, permanently you need to uninstall the application that runs this process which in this case is Microsoft Windows, from your system.
After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.
Is this a virus or other security concern?
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What is a process and how do they affect my computer?
A process usually a part of an installed application such as Microsoft Windows, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.
Is procexp151.sys known to be bad for my computer's performance?
We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.
What can I do if procexp151.sys is causing errors on my computer?
The first thing you should do if procexp151.sys. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that procexp151.sys, belongs to, in this case Microsoft Windows