You probably reached this article because Device Manager or another tool like DXDiag reported an error (999 error), and you are not sure how to resolve it. In the following paragraphs, we will assist you to find your 999 error and suggest whatever you might make an effort to correct the error.

How to Fix 999 error ?

  • What Causes 999 error?
    999 error Codes are caused in one method or another by misconfigured system files with your windows operating system.
  • Common 999 error you may receive:
    Common 999 error Error Messages:
    The most common 999 error errors that can appear on a Windows-based computer are:
    • "999 error not found."
    • "The file 999 error is missing."
    • "999 error Access Violation."
    • "Cannot register 999 error."
    • "Cannot find %PROGFILES64%\WIDCOMM\Bluetooth Software\999 error."
    • "Cannot start Bluetooth Software. A required component is missing: 999 error. Please install Bluetooth Software again."
    • "This application failed to start because 999 error was not found. Re-installing the application may fix this problem."

  • How to Solve 999 error?

    Troubleshoot 999 error Error Manually.
    Fix 999 error by updating Windows 7 for the latest version. Click Start button, and type windows update from the searching box. Then click windows update as the picture below.


    Please make sure that if there is any updates need to be updated urgently. If windows shows that you have important updates available. Please update it with time. Windows update is an important procedure to repair 999 error problem.


    The First Step: Download 999 error from SmartPCFixer.
    Step Two: Extract the downloaded file for the program folder that this 999 error is corrupted. Restart your PC and see if it works.
    Step Three: I recommend you run a SFC if the 999 error not found error still persists. Usually, System File Checker may find out the missing 999 error system files to suit your needs, and troubleshoot it easily.

    For novice Computer User Solution (completely automated):

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

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 designed to provide the user's computer with better optimization, that helps you manage startup items, desktop, browser objects, Internet, system service, Windows optimization, file extensions and the like. With one of these sophisticated utilities your computer is tuned as much as run with the optimal state.

Our customer review :

  • Review by : Nicolas Potter
    many doubts have been cleared related to 999 error . thanks a lot.
  • Review by : Vera King
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    I have also tried it and located it best. My system speed has grown and it also does not take very long time to open. Worth the cost.