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.

The shdoclc.dll, which stands for Shell Document Object and Control Library, is a resource file that is used primarily by Internet Explorer for the purpose of storing specific items, such as dialog boxes, menus and various other components that make up this program. These particular error messages may appear while you are installing or using an application, when Windows first boots up or just before it’s about to shut down, or even while installing Windows for the very first time.

The 0x800ccc19 error typically occurs when you’re using Mail Client software, such as Windows Mail Live, Microsoft Outlook, or one of the many other third party POP3 mail applications out there. If you’ve received either one of these error messages, then you should continue reading for a number of solutions that you can use to resolve this issue, because there are a number of reasons why this particular error may occurs, and equally as many methods of remedying it.

Cyclic Redundancy Check or CRC is basically a method developed to ensure that data does not become corrupted during transmission. This particular cyclic code was conceived by Wesley Peterson in 1961. The main advantage of this error-correcting code is the fact that it’s much simpler to implement than other methods, and is also well suited for the detection of a number of different error types, particularly burst errors.