cmdlineext.dll - What is cmdlineext.dll?

What is cmdlineext.dll doing on my computer?

cmdlineext.dll is a module belonging to Sony SECUROM Copy Protection from Sony.
Non-system processes like cmdlineext.dll originate from software you installed on your system. Since most applications store data on your hard disk and in your system's registry, it is likely that your computer has suffered fragmentation and accumulated invalid entries which can affect your PC's performance.

In Windows Task Manager, you can see what CPU, memory, disk and network utilization is causing the Copy Protection Component process. To access the Task Manager, hold down the Ctrl Shift Esc keys at the same time. These three buttons are located on the far left of your keyboard.

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The cmdlineext.dll is an executable file on your computer's hard drive. This file contains machine code. If you start the software Sony SECUROM Copy Protection on your PC, the commands contained in cmdlineext.dll will be executed on your PC. For this purpose, the file is loaded into the main memory (RAM) and runs there as a Copy Protection Component process (also called a task).

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Is cmdlineext.dll harmful?

This process is considered safe. It is unlikely to pose any harm to your system. The cmdlineext.dll file should be located in the folder C:UsersAppDataLocalTemp or C:WindowsSystem32. Otherwise it could be a Trojan.

cmdlineext.dll is a safe process

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Can I stop or remove cmdlineext.dll?

Many non-system processes that are running can be stopped because they are not involved in running your operating system. cmdlineext.dll is used by 'Sony SECUROM Copy Protection'. This is an application created by 'Sony'.

If you no longer use Sony SECUROM Copy Protection, you can permanently remove this software and thus cmdlineext.dll from your PC. To do this, press the Windows key R at the same time and then type 'appwiz.cpl'. Then find Sony SECUROM Copy Protection in the list of installed programs and uninstall this application.

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Is cmdlineext.dll CPU intensive?

This process is not considered CPU intensive. However, running too many processes on your system may affect your PC’s performance. To reduce system overload, you can use the Microsoft System Configuration Utility (MSConfig) or the Windows Task Manager to manually find and disable processes that launch upon start-up.

Use the Windows Resource Monitor to find out which processes and applications write/read the most on the hard drive, send the most data to the Internet, or use the most memory. To access the Resource Monitor, press the key combination Windows key R and then enter 'resmon'.

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Why is cmdlineext.dll giving me errors?

Most cmdlineext issues are caused by the application executing the process. The surest way to fix these errors is to update or uninstall this application. Therefore, please search the Sony website for the latest Sony SECUROM Copy Protection update.

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