The firefox1.exe file is the process called Firefox used by the application Firefox created by Mozilla. The location of this process file is in C:\Program Files subfolder. The size of this file is 307,712 bytes. This program uses a visible window. It is a legal process. The program connects to the Internet or LAN through open ports to send and receive data. Mozilla Firefox is an open source and free Web browser that works on Windows, Linux and Mac OS X and has a mobile version for Android. It utilizes Geckolayout engine to deliver Web pages. This Web browser includes spell checker, tabbed browsing, live bookmarking, incremental find, download manager, location-aware browsing or geolocation, private browsing and smart bookmarks. It uses Google as default search system for most localizations. It allows functions to be added as extensions developed by third-party developers. Firefox version 17.0.1.4715 has an MD5 of 5744fff8e72d105c138dae9e17bb29fe, SHA1 of 7c6f86e3b8503fec6882d4db0b06f4be201618c8 and SHA256 of 65bd71f2ba5ec7379294aebc623de0dac037309a217fa3502713e12c1441079f.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. firefox1.exe. is used by Firefox, If you shut down firefox1.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop firefox1.exe, permanently you need to uninstall the application that runs this process which in this case is Firefox, 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 firefox1.exe

A process usually a part of an installed application such as Firefox, 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 firefox1.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 firefox1.exe, belongs to, in this case Firefox