Personal Computer Fixes

How To Fix The Tosbtapi.dll Error

The Tosbtapi.dll is a file which is related to the Bluetooth Stack for Windows by Toshiba. The file initiates specific protocols that allows your computer and other devices to connect to your computer via the bluetooth connection. The module reads the specific signature on the devices and connects them to your system.

What Causes The Tosbtapi.dll Error

The Tosbtapi.dll error will be caused when the following conditions below are true:

  • Tosbtapi.dll file is damaged or corrupt
  • Bluetooth software has corrupt files
  • Windows settings have changed
  • Registry keys have been damaged

How To Fix The Tosbtapi.dll Error

Step 1 – Manually Replace The Tosbtapi.dll File


The first thing to do to fix this error is to download a replacement of this file from the Internet. This basically allows the file to be replaced on your system, ensuring that it can be read in the best way possible. Here’s how to do it:

  • Download Tosbtapi.dll from the Internet
  • Save the Unicows.dll file onto your computer’s hard drive
  • Browse to c:\Windows\System32
  • Locate the current Tosbtapi.dll on your system
  • Rename the current Oart.dll to TosbtapiBACKUP.dll
  • Copy & paste the new Oart.dll into C:\Windows\System32
  • Click Start > Run (Or search ”run” on Vista & Win7)
  • Type “cmd” in the box that appears
  • Type “regsvr32 Tosbtapi.dll” on the black screen
  • Press Enter

Step 2 – Update Bluetooth Software And Update Windows

Once you have manually replaced the Tosbtapi.dll file it is recommended that you update bluetooth software that you have on your system. You can do this by contacting the manufacturer of the software and enquire whether there is any patches you can download. To update Windows follow the necessary steps below:

  • Click Start
  • All Programs
  • Windows Update
  • Follow the wizard and install all updates
  • Restart your computer

Step 3 – Clean Out The Registry

One of the big causes of Tosbtapi.dll errors is through the “registry” database of your computer. This is a large database which stores vital information & settings for your PC, and is used continually to help Windows to read the files, settings & options that it needs to run. Although the registry is one of the most important parts of every Windows system, it’s continually causing a large number of problems thanks to the way it will often become corrupted and unreadable. This is the cause behind many Tosbtapi.dll errors, and needs to be resolved by using a reliable “registry cleaner” application.

This step is best completed by downloading RegAce System Suite, and letting it clean out any of the problems that your system may have inside.


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