xpcom_core.dll

Process name: xpcom

Application using this process: Firefox

File location: C:\Program Files\Mozilla Firefox or C:\Program Files\Mozilla Thunderbird

xpcom_core.dll


Windows process Process name: xpcom

Windows application Application using this process: Firefox

folder path File location: C:\Program Files\Mozilla Firefox or C:\Program Files\Mozilla Thunderbird

Tip Recommended: Check your system for xpcom_core.dll problems


What is xpcom_core.dll doing on my computer?

xpcom_core.dll is a module associated with Firefox from Mozilla Foundation.
Non-system processes like xpcom_core.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 xpcom 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.

xpcom_core.dll

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


Is xpcom_core.dll harmful?

This process is considered safe. It is unlikely to pose any harm to your system. The xpcom_core.dll file should be located in the folder C:\Program Files\Mozilla Firefox or C:\Program Files\Mozilla Thunderbird. Otherwise it could be a Trojan.

xpcom_core.dll is a safe process

Can I stop or remove xpcom_core.dll?

Many non-system processes that are running can be stopped because they are not involved in running your operating system. xpcom_core.dll is used by 'Firefox'. This is an application created by 'Mozilla Foundation'.

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


Is xpcom_core.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'.

Windows Task Manager - xpcom_core.dll

Why is xpcom_core.dll giving me errors?

Most xpcom_core 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 Mozilla Foundation website for the latest Firefox update.




PC Magazine

Process Library is the unique and indispensable process listing database since 2004 Now counting 140,000 processes and 55,000 DLLs.

Toolbox

ProcessQuicklink