Drive Letter Assignment or Drive Letter Access, with the file extension of tfswctrl.exe, is the process that installs when you install the driver for HP CD/DVD-RW devices. The basic function of the file is to allow users to copy files or data directly to CDs, without having to use the actual CD/DVD burning software. The file is short, provides you with a shortcut to copying data to CDs straight from Windows applications. The file is useful in theory, but users have reported that the file causes shutdown issues, specifically because the file tfswctrl.exe is not responding to the shutdown request. Users who encountered this problem opted to just uninstall the file and use the actual CD/DVD burning software to copy data onto their blank CDs. The file has a default directory path of C:\Windows\System 32\DLA\tfswctrl.exe. The file also sometimes gets installed in C:\Program Files. File size usually installed on PCs running on Windows 7 or Windows XP is 127,035 bytes.

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

A process usually a part of an installed application such as Driver Letter Assignment, 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 tfswctrl.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 tfswctrl.exe, belongs to, in this case Driver Letter Assignment