The expshell.dll file is the process called ClamWin Free Antivirus that is used by the application ClamWin Free Antivirus developed by alch. This DLL file is found in the C:\Program Files subfolder. Known sizes for this file are 57,344 bytes and 81,920 bytes with 54% occurrence. A DLL or dynamic link library file is a Windows application that has functions that can work with several programs. It can inject itself into other running processes to change or control their activities. It is a non-system process. You can access the program in the Windows Control Panel. The publisher ClamWin provides updates for the program. ClamWin Free Antivirus is works with Windows 7, 8, Vista, ME, 2000, 98, XP and Server 2012, 2003 and 2008. It comes with an open source code and installer. It detects spyware and viruses, performs scheduled scanning and automatically updates virus database through downloads. It integrates with Internet Explorer. It can be an add-in to Microsoft Outlook to automatically removed infected attachments. Automatic startup locations for this process include HKCU *\ShellEx\ContextMenuHandlers, HKCU Folder\ShellEx\ContextMenuHandlers, HKLM *\ShellEx\ContextMenuHandlers, HKCU Folder\ShellEx\ContextMenuHandlers and ContextMenuHandlers.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. expshell.dll. is used by ClamWin Free Antivirus, If you shut down expshell.dll, it will likely start again at a later time either after you restart your computer or after an application start. To stop expshell.dll, permanently you need to uninstall the application that runs this process which in this case is ClamWin Free Antivirus, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed expshell.dll

A process usually a part of an installed application such as ClamWin Free Antivirus, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if expshell.dll. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that expshell.dll, belongs to, in this case ClamWin Free Antivirus