Fix BtLegacy.sys Blue Screen Error Step by Step

Frustrated by the BtLegacy.sys error message? Well, you should want to know what this BtLegacy.sys file is, what causes this error and the most important thing is how to fix this error. In this page, you will find all answers to your questions about this BtLegacy.sys and the methods to fix it.

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What's BtLegacy.sys File?

As its file extension denotes, BtLegacy.sys is a vital SYS file and it's a component of the software Bluetooth Legacy developed by Windows Software Developer. The latest version of BtLegacy.sys file is 1.13.0.0 and MD5 value is 833936ed507fd048293d1ffcb6f134ff. Bluetooth Legacy and the Windows will generate BtLegacy.sys error when BtLegacy.sys file cannot be used due to the removal or corruption of BtLegacy.sys file. This error can be seen on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10.

BtLegacy.sys file information:
File Name:   
   BtLegacy.sys (Free Scan)
File Description:   
   Bluetooth Legacy Driver
Product Name:   
   Bluetooth Legacy
Product Version:   
   1.13.0.0
Company:   
   Windows Software Developer
File md5:   
   833936ed507fd048293d1ffcb6f134ff
File type:   
   sys file
Security Level(0-5):   
   5
OS Infected:   
   Windows
Recommended:   
   Download BtLegacy.sys Error Free Scan Tool

Why Do I Receive BtLegacy.sys Error?

SYS files like BtLegacy.sys file contain code needed to correctly load and configure Windows operating system. Also, they can be part of hardware drivers and contain various instructions to allow Windows to work flawlessly with hardware and devices.

SYS files run in the kernel-mode that is the highest possible privilege on Windows operating system. Without SYS files like BtLegacy.sys, it will be very difficult for your Windows system to run. Any error in these files can cause great harm and data loss.

Popular BtLegacy.sys Error Messages

  • PAGE_FAULT_IN_NONPAGED_AREA STOP 0×00000050 BtLegacy.sys.
  • NTFS_FILE_SYSTEM STOP 0×00000024 BtLegacy.sys.
  • DRIVER_IRQL_NOT_LESS_OR_EQUAL STOP 0×000000D1 BtLegacy.sys.
  • SYSTEM_SERVICE_EXCEPTION STOP 0×0000003B BtLegacy.sys

BtLegacy.sys blue screen errors usually happen when you install a new hardware or software. You may receive BtLegacy.sys blue screen errors when you run or close Bluetooth Legacy, start or shut down the computer, or use specific function of Bluetooth Legacy. The time you encounter the error is very important to troubleshoot the problem.

Causes of BtLegacy.sys Error

BtLegacy.sys error can be caused by plenty of reasons. The following are the most common causes of BtLegacy.sys error.

  • Device drivers of BtLegacy.sys is not correctly installed and compatible.
  • The registry settings of BtLegacy.sys are changed or corrupted.
  • Computer malware attacked and damaged BtLegacy.sys file.
  • Other system files are damaged or corrupted after the software that uses BtLegacy.sys is installed.
  • There is a problem with your hard disk or memory (RAM).

How to Fix BtLegacy.sys Error?

Keep in mind, never download SYS files from SYS download websites, because they are not verified by their developers and may contain malicious code which lead to further damage to your computer system. We have listed several solutions to troubleshoot your BtLegacy.sys problem.

Method 1: Test for hard disk corruption.

Usually, BtLegacy.sys blue screen errors are caused by problems with your hardware devices or issues with low-level software running in the Windows kernel. Many reasons can cause errors on your hard disk, such as shutting down the computer irregularly, removing USB devices without using Safely Remove, and wrong version of device drivers. Fortunately, there is a utility called chkdsk (short for Check Disk) that can scan for errors and fix potential problems.

Steps:

a. Open an elevated command prompt.

Windows Vista and Windows 7

Click Start, click All Programs, Accessories, and then right click Command Prompt and click Run as administrator.

command prompt windows 7

Windows 8, Windows 8.1 and Windows 10

Open Win X menu by holding Windows and X keys, and then click Command Prompt (Admin).

windows8 win x menu

b. After confirming the UAC prompt, type chkdsk /f in the Command Prompt and hit Enter.

chkdsk

c. Chkdsk is scanning your system and takes some time to complete the repair.

Method 2: Replace corrupted system files with System File Checker.

System File Checker is a utility integrated in Windows system to help users easily scan and replace corrupted system files which may include files related to BtLegacy.sys. If a "protected" file is modified or missing, this utility will restore it from a cached copy to ensure Windows work correctly.

Steps:

a. Open an elevated command prompt.

Windows Vista and Windows 7

Click Start, click All Programs, Accessories, and then right click Command Prompt and click Run as administrator.

command prompt windows 7

Windows 8, Windows 8.1 and Windows 10

Open Win X menu by holding Windows and X keys, and then click Command Prompt (Admin).

windows8 win x menu

b. After confirming the UAC prompt, type sfc /scannow in the Command Prompt and hit Enter.

sfc windows 7

c. System File Checker is scanning your system and takes some time to complete the repair.

Method 3: Run a virus scan.

Malware infection is one of the most popular cause of various computer problems like BtLegacy.sys error. Computer malware can make their way into the system, change system settings and corrupt system files. When this happens, Bluetooth Legacy and Windows becomes more prone to BtLegacy.sys error and even malfunction.

Steps:

a. Restart your system into Safe Mode with Networking.

b. Open your antivirus or antispyware program. (You can also use this recommended malware detect tool)

c. Run a full scan for your system.

d. After the scan completes, either quarantine or remove any detected malware.

e. Restart your system.

Method 4: Install Windows updates.

Computers and computer software can quickly become out-dated, so Microsoft keeps releasing updates in order to improve their security and fix technical glitches. Your BtLegacy.sys error may be fixed after you install all latest Windows updates.

Steps:

a. Go to the desktop of your system, right click on Computer and click Properties.

computer properties

b. In the left pane, click Windows Update.

windows update

c. In the Windows Update window, click Check for updates.

check for updates windows 7

d. If any update is found, click Install updates to install.

install updates windows 7

Method 5: Reinstall Windows system.

Reinstalling Windows is an easy yet time-consuming way to fix software problems on your computer. It will erase everything on your computer, including your files, programs installed, and computer settings. This should be the last choice to fix your BtLegacy.sys error, as it will take a lot of time to make things ready again. And this works only when this error is caused by software problem.

Method 6: Repair corrupted Windows registry.

As the most important part of Windows operating system, Windows registry is a place that stores all information and configurations of software and hardware. A problematic registry is one of the most common causes of computer errors like BtLegacy.sys error. Software installation, uninstallation, malware infection can make changes to the registry. Over time, more and more invalid entries are left and accumulated in the registry and then lead to various errors and problems. The registry needs regular maintenance to keep it tidy and stable. Manual editing the registry is not practical for people with no computer expertise, it's recommended that you use a registry cleaner to do this job.

Recommended:

Note: It requires certain computer knowledge to perform the above solutions. If you're not comfortable with this process, it's recommended that you download and run this automatic error fix utility to fix your PC problems automatically:

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Does BtLegacy.sys error still persist?

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