asn1.dll is a module belonging to Wireshark from The Wireshark developer community, http://www.wireshark.org/.
Non-system processes like asn1.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 asn1 0.5.0.0 process. To access the Task Manager, hold down theCtrl+Shift+Esckeys at the same time. These three buttons are located on the far left of your keyboard.
The asn1.dll is an executable file on your computer's hard drive. This file contains machine code. If you start the software Wireshark on your PC, the commands contained in asn1.dll will be executed on your PC. For this purpose, the file is loaded into the main memory (RAM) and runs there as a asn1 0.5.0.0 process (also called a task).
asn1.dll has not been assigned a security rating yet. The asn1.dll file should be located in the folderC:\Program Files\wireshark\plugins\0.99.8. Otherwise it could be a Trojan.
asn1.dll is unratedMany non-system processes that are running can be stopped because they are not involved in running your operating system. asn1.dll is used by 'Wireshark'. This is an application created by 'The Wireshark developer community, http://www.wireshark.org/'.
If you no longer use Wireshark, you can permanently remove this software and thus asn1.dll from your PC. To do this, press theWindows key+Rat the same time and then type 'appwiz.cpl'. Then findWiresharkin 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 combinationWindows key+Rand then enter 'resmon'.
Most asn1 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 theThe Wireshark developer community, http://www.wireshark.org/website for the latestWiresharkupdate.
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