Known by the service name TAP-Win32 Virtual Network Driver, tap0901.sys is a type of driver file that is a component of the program TAP-Win32 Adapter, which is a software product created by The OpenVPN Project. This module is considered essential because it is digitally signed by Astaro AG - Comodo Time Stamping Signer, and all files with signature are recommended to keep running and must not be deleted, unless it is causing problems that mainly affect the performance of the computer system. Like other computer files, tap0901.sys is compatible with most versions, both old and new, of Microsoft Windows Operating Systems, which are known OS product series developed and popularized by Microsoft Corporation. It works with some of the popular and still usable Windows OS, which include Windows 8, Windows 7, Windows XP, Windows Vista, Windows 2003, Windows 2000, and Windows NT. When the software that houses it is installed, tap0901.sys is among the components that are included in the download.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. tap0901.sys. is used by TAP-Win32 Adapter, If you shut down tap0901.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop tap0901.sys, permanently you need to uninstall the application that runs this process which in this case is TAP-Win32 Adapter, 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 tap0901.sys

A process usually a part of an installed application such as TAP-Win32 Adapter, 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 tap0901.sys. 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 tap0901.sys, belongs to, in this case TAP-Win32 Adapter