What is compositebus.sys and how to fix compositebus.sys ?

What is compositebus.sys file ?


The genuine CompositeBus.sys file is a software component of Composite Bus Enumerator driver by Microsoft Corporation.;CompositeBus.sys” is a Windows driver which resides in “C:WindowsSystem32” and is called the Composite Bus Enumerator Driver. It runs as a system service. It was introduced for Windows 7 in 2009 for Windows Media Transfer Protocol (MTP) and Windows Portable Devices (WPD) driver technology which supports connection of portable devices like phones, cameras, and media players. Windows XP, Vista, and 7 successively introduced MTP for USB, TCP/IP (for devices connected through LANs or WiFi), and Bluetooth. The Composite Bus Enumerator is a central handler for signals from these “transports” so that a single “composite driver” is loaded for each connected device even if it uses different transports, even concurrently. If “CompositeBus.sys” issues an APC_INDEX_MISMATCH error, a device-related third-party application may have issued a mistimed USB reset command. Founded in 1975 by Paul Allen and Bill Gates, Microsoft is today the world’s largest software company by revenue.;CompositeBus stands for Multi-Transport Composite Bus Enumerator;CompositeBus.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc.;The free file information forum can help you determine if CompositeBus.sys is a Windows system file or if it belongs to an application that you can trust.

Follow steps bellow to try fix the problem with compositebus.sys

1. Use cleanmgr

To run the command cleanmgr :
Press Windows key + Q.
Enter cmd in search box , followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command cleanmgr and press Enter.

2. Use sfc /scannow

To run the command sfc /scannow :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command sfc /scannow and press Enter.

3. uninstalling programs :

To uninstall unnecessary programs :
Open the Start menu (Press Windows key + X) .
Click the first menu item Programs and Features.
Search unnecessary programs in the list of installed programs, .
Click the software you want to uninstall.

4. using msconfig

To run the command msconfig :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command msconfig and press Enter.

5. Automatic Update

To run the command wuauclt /ShowWindowsUpdate:
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command wuauclt /ShowWindowsUpdate and press Enter.

6. Use resmon command

To run the command resmon :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command resmon and press Enter.

7. use DISM.exe

To run the command DISM.exe /Online /Cleanup-image /Restorehealth :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.


compositebus.sys descriptions


CompositeBus.sys” is a Windows driver which resides in “C:WindowsSystem32” and is called the Composite Bus Enumerator Driver. It runs as a system service. It was introduced for Windows 7 in 2009 for Windows Media Transfer Protocol (MTP) and Windows Portable Devices (WPD) driver technology which supports connection of portable devices like phones, cameras, and media players. Windows XP, Vista, and 7 successively introduced MTP for USB, TCP/IP (for devices connected through LANs or WiFi), and Bluetooth. The Composite Bus Enumerator is a central handler for signals from these “transports” so that a single “composite driver” is loaded for each connected device even if it uses different transports, even concurrently. If “CompositeBus.sys” issues an APC_INDEX_MISMATCH error, a device-related third-party application may have issued a mistimed USB reset command. Founded in 1975 by Paul Allen and Bill Gates, Microsoft is today the world’s largest software company by revenue.;CompositeBus stands for Multi-Transport Composite Bus Enumerator;CompositeBus.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc.;The free file information forum can help you determine if CompositeBus.sys is a Windows system file or if it belongs to an application that you can trust.