What is tosOBEX.exe?

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 tosOBEX.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.

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TosOBEX.exe file information

Windows Task Manager with tosOBEX
TosOBEX.exe process in Windows Task Manager

The process known as tosOBEX belongs to software Bluetooth Stack for Windows or Bluetooth Stack for Windows by or Bluetooth Stack for Windows by TOSHIBA or Bluetooth Stack for Windows by Toshiba by TOSHIBA CORPORATION (

Description: TosOBEX.exe is not essential for Windows and will often cause problems. TosOBEX.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 311,296 bytes (67% of all occurrences), 307,200 bytes and 6 more variants. 
The program is not visible. The tosOBEX.exe file is not a Windows system file. Therefore the technical security rating is 33% dangerous; however you should also read the user reviews.

Uninstalling this variant: If you want to remove the program completely, go to Control Panel ⇒ Software ⇒ Bluetooth Stack for Windows or Bluetooth Stack for Windows by Toshiba.

Recommended: Identify tosOBEX.exe related errors

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

Programm läßt sich nicht schließen
Bluetooth; Saugt sehr viel Prozessorleistung! :-(
On Windows 7. The file size is 456 KB (466,944 bytes)
  David B, J,  
Wenn ich den Prozess beende kommt eine menge Arbeitsspeicher wieder. Ich hatte mich die ganze zeit schon gefragt
It is Toshiba product
  Ahmed A.D  
Sollte installiert bleiben, damit die Bluetooth funktion nutzbar bleibt.

Rating chart

Summary: Average user rating of tosOBEX.exe: based on 6 votes with 6 user comments. One user thinks tosOBEX.exe is essential for Windows or an installed application. 2 users think it's probably harmless. 2 users think it's neither essential nor dangerous. One user suspects danger. 2 users don't grade tosOBEX.exe ("not sure about it").

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Best practices for resolving tosOBEX issues

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

tosOBEX.exe [all]