The file defmgr.exe is the internal name of the file Microsoft Default Manager, and this software is owned and developed by the Microsoft Corporation. The program resets the Windows Internet Explorer into its original settings (in case the user has change anything in the settings). The file can be located in the C:\Program Files and has the file size of 288,088 bytes in the Hard Disk Drive (HDD). But the file size may vary when used in different version of Operating Systems such as the Windows XP and Windows 7. The file is digitally signed by the author which means that the file belongs to the trusted company. The file contains no visible window for the user to manipulate the behavior of the program. The user may have the option to remove the file by entirely removing the whole program in which the file is associated with. This can be done by using the Add/Remove Programs Utility in the Control Panel.
How can I stop defmgr.exe and should I?
Most non-system processes that are running can be stopped because they are not involved in running your operating system. defmgr.exe. is used by Microsoft Windows, If you shut down defmgr.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop defmgr.exe, permanently you need to uninstall the application that runs this process which in this case is Microsoft Windows, 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.
Is this a virus or other security concern?
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What is a process and how do they affect my computer?
A process usually a part of an installed application such as Microsoft Windows, 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.
Is defmgr.exe known to be bad for my computer's performance?
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.
What can I do if defmgr.exe is causing errors on my computer?
The first thing you should do if defmgr.exe. 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 defmgr.exe, belongs to, in this case Microsoft Windows