The file fsblsrv.exe, known as F-Secure BlackLight Sensor Service, belongs to software F-Secure BlackLight Sensor by F-Secure. BlackLight Sensor is free software that detects and eliminates rootkits. It scans and analyzes PC folders, files and hidden folders to search for signs of rootkit infection. It produces a list that names possible rootkits in the inspected files, giving a comprehensive report that includes the file description, the company that made the file, the file location, and other related information. Rootkit is an application or set of applications that hides its presence or the presence of another malware in the lower layer of the operating system. The infected system could be an API function redirection or an undocumented operating system, which makes rootkit detection difficult. The rootkit enables someone, either legitimate or malicious, to take control of the computer. Legitimate rootkits are utilized for the remote monitoring and remote command of workstations in an enterprise while malicious rootkits are used to spy on the user's computing activities.

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

A process usually a part of an installed application such as F-Secure BlackLight Sensor, 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 fsblsrv.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 fsblsrv.exe, belongs to, in this case F-Secure BlackLight Sensor