What is TosBtSrv.exe?

The genuine TosBtSrv.exe file is a software component of TOSHIBA Bluetooth Stack for Windows by TOSHIBA .
TosBtSrv.exe is an executable file that runs the TOSHIBA Bluetooth Stack for Windows, a set of Bluetooth drivers required to run integrated Bluetooth adapters found in TOSHIBA laptops. This is not an essential Windows process and can be disabled if known to create problems. Bluetooth stacks are executions of the Bluetooth protocol stack. They can be divided into two separate classes - one for regular implementations, such as desktop computers, that are composed with a stress on features and adaptability; the other for Bluetooth peripheral devices where resources are limited and demands are lower. The Toshiba Bluetooth Stack is a requirement for any Toshiba laptop. Toshiba first released a notebook with an integrated Bluetooth antenna inside the lid in 2001. Soon after, the company released their first models that featured dual Bluetooth / Wi-Fi integration. The Toshiba Corporation is a Japanese conglomerate who primary focus involves engineering and electronics. Toshiba was founded in 1938 as the Tokyo Shibaura Electric K.K. as two companies, Shibaura Seisaku-sho (founded in 1875) and Tokyo Denki (founded in 1890), merged together. The company name was officially changed to Toshiba Corporation in 1978. By 2010, Toshiba had become the world's fifth-largest personal computer vendor.

TOSBtSrv stands for TOSHIBA Bluetooth Service

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the TosBtSrv.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for TosBtSrv.exe related errors

TosBtSrv.exe file information

Windows Task Manager with TosBtSrv
TosBtSrv.exe process in Windows Task Manager

The process known as TOSHIBA Bluetooth Service belongs to software Bluetooth Stack for Windows by TOSHIBA by TOSHIBA CORPORATION (

Description: TosBtSrv.exe is not essential for the Windows OS and causes relatively few problems. TosBtSrv.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 118,784 bytes (17% of all occurrences), 128,360 bytes and 12 more variants. 
The program is not visible. The file is not a Windows system file. The file has a digital signature. The TosBtSrv.exe file is a Verisign signed file. Therefore the technical security rating is 24% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case you experience problems using TosBtSrv.exe, you could uninstall Bluetooth Stack for Windows by Toshiba or Bluetooth Stack for Windows from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify TosBtSrv.exe related errors

Important: Some malware camouflages itself as TosBtSrv.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the TosBtSrv.exe 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

tosbtsrv.exe is part of Bluetooth Toshiba Stack developed by Toshiba. Used to support bluetooth connections for laptops.

Summary: Average user rating of TosBtSrv.exe: based on 1 vote with 1 user comment. One user thinks it's probably harmless.

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Best practices for resolving TosBtSrv issues

A clean and tidy computer is the key requirement for avoiding problems with TosBtSrv. 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 TosBtSrv.exe 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

TosBtSrv.exe [all]