The error 651 is fairly common, something that a significant percentage of Windows users will at one point, come face to face with. This is heightened by the nature of this error and its effects on one’s ability to access the internet. If you are here, then I think it’s fair to assume that you are having problems with this particular error.

For clarification purposes, both the Windows error 127 and iTunes error 7 refer to the same computer incident. It is essentially the same error referred to by two different names, and it relates to the bad installation, data and registry corruption of iTunes and other apple related products. Both QuickTime and iTunes are two related applications that people most commonly install and use on their systems.

The Mshtml.dll file is known as the Trident and functions as the layout engine for all versions of Microsoft’s Internet Explorer, as of today. This layout engine was first introduced to Internet Explorer version 4.0 in October 1997, and over the years, has been upgraded to accommodate new versions of Internet Explorer. Internet Explorer versions 7 and 8, feature a Trident layout engine that is significantly changed from all previous versions, this was so it could comply with new web standards and support new technologies.

The ntoskrnl.exe is basically the system kernel, which is an integral component of Windows NT based operating systems. Kernel image is another name that it’s known by, but ultimately, its task is to provide both the executive layers and kernel of Windows NT. These are functions which are responsible for a number of different systems that make up the operating system (OS), such as the memory management, hardware virtualisation and processing.

This particular error is fairly common amongst all versions of Microsoft Windows, so hopefully the information contained in this post will help you resolve your particular problem. The 0xC0000005 Access Violation error is very broad as it encompasses a number of different problems. Due to this reality, you will be required to try an assortment of solutions to rectify your problem. Typically, when the error occurs, you will receive a familiar error message.

Winlogon.exe is a very important component of Microsoft’s operating system, as it handles the security and loading of the user profile, during the log in phase. It also handles desktop locking, when the screensaver has been activated, requiring the user to re-authenticate. Because of the importance of this component, it is a very common target by hackers.

The cli.exe file is a Command Line Interface for the ATi that works in the background and functions as a line of communication between the graphics card drivers and the ATi Catalyst Control Center application. While operational, an icon should be present in your system tray, which you can use to quickly access the Control Center application.

The ccApp.exe file is an integral component of the Symantec brand, which is the company that develops Norton products; the letters are an abbreviation for Symantec Common Client Application, and it is used for a number of different Norton Applications, such as the notable anti-virus and anti-spam products. In short, this file is used by a variety of internet security applications. If this program is present on your computer, then it may have got there, through an application that you installed.