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What is CompositeBus?

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.

Run a free scan to check for CompositeBus drivers in need of updating

CompositeBus.sys file information

The process known as Multi-Transport Composite Bus Enumerator belongs to software Busenumeratortreiber für Verbundgeräte or Microsoft Windows Operating System by Microsoft (www.microsoft.com).

Description: CompositeBus.sys is not essential for the Windows OS and causes relatively few problems. The file CompositeBus.sys is located in a subfolder of C:\Windows\System32. Known file sizes on Windows 10/8/7/XP are 40,448 bytes (90% of all occurrences) or 39,936 bytes. http://www.file.net/process/compositebus.sys.html 
The driver can be started or stopped from Services in the Control Panel or by other programs. CompositeBus.sys is a Microsoft signed file. The program has no visible window. The service has no detailed description. The CompositeBus.sys file is not a Windows core file. CompositeBus.sys appears to be a compressed file. Therefore the technical security rating is 9% dangerous, however you should also read the user reviews.

Recommended: Identify CompositeBus.sys related errors

If CompositeBus.sys is located in the C:\Windows\System32\drivers folder, the security rating is 0% dangerous. The file size is 31,232 bytes. CompositeBus.sys is a Windows system file. The file is a trustworthy file from Microsoft. The program is not visible. The service has no detailed description. CompositeBus.sys appears to be a compressed file.

Important: Some malware camouflages itself as CompositeBus.sys. Therefore, you should check the CompositeBus.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

Composite Bus Enumerator driver manufacturer is Microsoft and developed by Microsoft in the database contains 34 versions of the Composite Bus Enumerator matches the hardware ROOT\CompositeBus.Composite Bus Enumerator compatible with 1 hardwares driver contains 2 binary files, You can Download the latest drivers for your Composite Bus Enumerator.
  bing_bing13   (further information)
Composite Bus Enumerator driver manufacturer is Microsoft and developed by Microsoft in the database contains 34 versions of the Composite Bus Enumerator matches the hardware ROOT\CompositeBus.Composite Bus Enumerator compatible with 1 hardwares driver contains 2 binary files, You can Download the latest drivers for your Composite Bus Enumerator.
  bing_bing13   (further information)

Summary: Average user rating of CompositeBus.sys: based on 2 votes with 2 user comments. 2 users think it's probably harmless.


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Best practices for resolving CompositeBus issues

A clean and tidy computer is the key requirement for avoiding problems with CompositeBus. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the CompositeBus.sys process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

CompositeBus.sys [all]