Home > Windows files > xmasbus.sys

How to eliminate xmasbus driver problems

The xmasbus.sys (Plug and Play BIOS Extension) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
Click here to check if you need to update your xmasbus driver.

The author of the Plug and Play BIOS Extension process cannot be determined with certainty. An obsolete or defective version of xmasbus.sys can cause problems for your computer that can range from slowness to error messages such as these:

Free PC Check

Take advantage of our Free Computer Check to identify problems with xmasbus.sys

Scan your computer today at no charge with the Windows Repair Tool. This tool helps repair Windows and helps it run faster.

What you should know about xmasbus.sys Plug and Play BIOS Extension

xmasbus.sys is not a Windows system file and is known to frequently cause computer problems. Xmasbus.sys is found in the C:\Windows\System32\drivers directory. The file size is 140,800 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. The xmasbus file has none of the usual file information, such as version number, etc. The program executes in the background, and can only be terminated using Windows Task Manager. The service has no characteristics or description of its own. This is unusual. The xmasbus file is no part of Microsoft Windows. xmasbus.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 49% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves xmasbus.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about xmasbus?

Installed by Alcohol 120% along with xmasscsi.sys as part of Alcohol's virtual CD driver. NOT a virus. Various problems related to earlier versions of these drivers - latest upgrades fix. Can remove files manually from System32\drivers\ if you can't uninstall. (further information...)
Thomas M.
Installed by Alcohol 120% for virtual cd drive, it can damage startup configuration because create a phantom plug-and-play peripheral in the system, that can't boot windows correctly
while loading this , the blue screen is appering . what might be the reason.
Because of it, I can't start my PC! It keeps re-booting, trying to load the file.
Uninstall Alcohol 120% and xmasbus.sys is gone. Everything is back to normal. (further information...)

Summary: One user judges xmasbus.sys to be an essential file that should not be touched. One user considers it harmless. However, 3 users consider this to be a suspicious process and would like to get rid of it. For this reason, one user has already deleted xmasbus.sys. source: file.net

How to uninstall unknown

xmasbus.sys Plug and Play BIOS Extension fix

To remove Plug and Play BIOS Extension from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for unknown in the list of available programs.
  5. Click Uninstall.

How to tell if xmasbus.sys (Plug and Play BIOS Extension) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Plug and Play BIOS Extension. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Plug and Play BIOS Extension or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or xmasbus.sys is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

Users with an interest in xmasbus.sys have also been interested in: xmasbus.sys [index]