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

How to Fix ERROR_CONNECTION_UNAVAIL ?

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

  • How to Solve ERROR_CONNECTION_UNAVAIL?

    Troubleshoot ERROR_CONNECTION_UNAVAIL Error Manually.
    Fix ERROR_CONNECTION_UNAVAIL by updating Windows 7 on the latest version. Click Start button, and kind windows update within the searching box. Then click windows update as being the picture below.


    If there is any updates need to be updated urgently, please make sure that. If windows shows that we now have important updates available. Please update it soon enough. Windows update is a vital procedure to fix ERROR_CONNECTION_UNAVAIL problem.


    Step One: Download ERROR_CONNECTION_UNAVAIL from SmartPCFixer.
    Step Two: Extract the downloaded file on the program folder how the ERROR_CONNECTION_UNAVAIL is corrupted. If it works, Restart your PC and see.
    Step Three: If the ERROR_CONNECTION_UNAVAIL not found error still persists, I recommend you run a SFC. Most often, System File Checker may find out your missing ERROR_CONNECTION_UNAVAIL system files for yourself, and troubleshoot it easily.

    Fix ERROR_CONNECTION_UNAVAIL Error Immediately!

    Step One: Download SmartPCFixer and set it up on your PC.
    Step Two: Double Click SmartPCFixer and click "System Fix", Select "Dll Download".
    Step Three: Type your missing ERROR_CONNECTION_UNAVAIL and click on "Search", Then download the files and use SmartPCFixer to sign up it for yourself.

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: In order to automatically delete or repair them, SmartPCFixer scans the registry and picks out the unnecessary values. SmartPCFixer may ultimately optimize your Windows Registry, reinstate your PC optimal operating speed and condition which means that your PC will surely run better and faster.

Our customer review :

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    You saved my computer from the trashcan. I had been ready to throw it away and purchase a new one I used to be so upset with it.It runs good now.
  • STEP 1
    Download & Install SmartPCFixer
  • STEP 2
    Click the "Scan Button"
  • STEP 3
    Click errors and boost up your PC performance.
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