What is Bt848?

Bt848.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 Bt848.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for Bt848 drivers in need of updating

Bt848.sys file information

The process known as Bt848 WDM Video Capture Driver or BtCap WDM Video Capture Driver or AVerMedia, AVerTV WDM Video Capture Driver

belongs to software BtCap, WDM Video Capture or AVerMedia AVerTV WDM Video Capture (version (878))

by Illusion & Hope or AVerMedia ( or Conexant Systems (

Description: Bt848.sys is not essential for the Windows OS and causes relatively few problems. Bt848.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 371,349 bytes (33% of all occurrences), 266,720 bytes, 254,160 bytes, 207,154 bytes or 152,064 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The service has no detailed description. The Bt848.sys file is not a Windows system file. Therefore the technical security rating is 23% dangerous, however you should also read the user reviews.

Recommended: Identify Bt848.sys related errors

Important: Some malware disguises itself as Bt848.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the Bt848.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.


User Comments

BT878 Based TvTuner Card Wdm driver

Summary: Average user rating of Bt848.sys: based on 1 vote with 1 user comment. One user thinks Bt848.sys is essential for Windows or an installed application.

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Best practices for resolving Bt848 issues

A clean and tidy computer is the key requirement for avoiding problems with Bt848. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the Bt848.sys process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

Bt848.sys [all]