custerr.dll is a DLL file used by Custom error handler created by Microsoft Corporation This process is still being reviewed.
Non-system processes like custerr.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 Custom error handler 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.
The custerr.dll is an executable file on your computer's hard drive. This file contains machine code. If you start the software Custom error handler on your PC, the commands contained in custerr.dll will be executed on your PC. For this purpose, the file is loaded into the main memory (RAM) and runs there as a Custom error handler process (also called a task).
custerr.dll has not been assigned a security rating yet.
custerr.dll is unrated
Many non-system processes that are running can be stopped because they are not involved in running your operating system.
custerr.dll is used by 'Custom error handler'. This is an application created by 'Microsoft Corporation'.
If you no longer use Custom error handler, you can permanently remove this software and thus custerr.dll from your PC. To do this, press the Windows key R at the same time and then type 'appwiz.cpl'. Then find Custom error handler in the list of installed programs and uninstall this application.
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'.
Most custerr 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 Microsoft Corporation website for the latest Custom error handler update.
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