What is auc_lib.dll doing on my computer?

auc_lib.dll is a module belonging to F-Secure Automatic Update Agent from F-Secure Corporation.
Non-system processes like auc_lib.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 FSAUAAPI 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 auc_lib.dll is an executable file on your computer's hard drive. This file contains machine code. If you start the software F-Secure Automatic Update Agent on your PC, the commands contained in auc_lib.dll will be executed on your PC. For this purpose, the file is loaded into the main memory (RAM) and runs there as a FSAUAAPI process (also called a task).

Is auc_lib.dll harmful?

auc_lib.dll has not been assigned a security rating yet. The auc_lib.dll file should be located in the folder C:\Windows\downloaded program files. Otherwise it could be a Trojan.

Can I stop or remove auc_lib.dll?

Many non-system processes that are running can be stopped because they are not involved in running your operating system. auc_lib.dll is used by 'F-Secure Automatic Update Agent'. This is an application created by 'F-Secure Corporation'.

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

Is auc_lib.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'.

Why is auc_lib.dll giving me errors?

Most auc_lib 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 F-Secure Corporation website for the latest F-Secure Automatic Update Agent update.