You probably reached this article because Device Manager or another tool like DXDiag reported an error (402 Windows), and you are not sure how to resolve it. In this article, we can help you find your 402 Windows and suggest what you might try to correct the error.

How to Fix 402 Windows ?

  • What Causes 402 Windows?
    402 Windows Codes are caused in one method or another by misconfigured system files with your windows os.
  • Common 402 Windows you may receive:
    Common 402 Windows Error Messages:
    The most common 402 Windows errors that can appear on a Windows-based computer are:
    • "402 Windows not found."
    • "The file 402 Windows is missing."
    • "402 Windows Access Violation."
    • "Cannot register 402 Windows."
    • "Cannot find %PROGFILES64%\WIDCOMM\Bluetooth Software\402 Windows."
    • "Cannot start Bluetooth Software. A required component is missing: 402 Windows. Please install Bluetooth Software again."
    • "This application failed to start because 402 Windows was not found. Re-installing the application may fix this problem."

  • How to Solve 402 Windows?

    Troubleshoot 402 Windows Error Manually.
    Fix 402 Windows by updating Windows 7 for the latest version. Click Start button, and kind windows update from the searching box. Then click windows update because the picture below.


    Please make sure that if there is any updates need to be updated urgently. If windows shows that we now have important updates available. Please update it in time. Windows update is the central procedure to fix 402 Windows problem.


    The First Step: Download 402 Windows from SmartPCFixer.
    Step Two: Extract the downloaded file to the program folder how the 402 Windows is corrupted. Restart your PC and see if it works.
    Step Three: If the 402 Windows not found error still persists, I recommend you run a SFC. Most often, System File Checker will see out your missing 402 Windows system files for you, and troubleshoot it easily.

    For novice Computer User Solution (completely automated):

    1) Download Repair Tool.
    2) Install click and program Scan button.
    3) Click the Fix Errors button when scan is finished.
    4) Restart your personal computer.

Download Windows Error Repair Tool *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand

Please follow the 3 steps below:

Download the Windows repair tool

Recommended: SmartPCFixer was created to give you the user's computer with better optimization, which will help you manage startup items, desktop, browser objects, Internet, system service, Windows optimization, file extensions etc. Using these sophisticated utilities your body is tuned approximately run at the optimal state.

Our customer review :

  • Review by : Hugh Craig
    I have used other products but all were a disappointment until I came across SmartPCFixer.
  • Review by : Lucia Wallace
    "Featured download through the day "a helpful tool if you decide whether you're going to have a program."
  • Review by : Brandon Parsons
    You saved my computer from the trashcan. I used to be ready to throw it away and purchase a replacement I had been so upset by using it.It runs good now.