You probably reached this article because Device Manager or another tool like DXDiag reported an error (Kb835221), and you are not sure how to resolve it. On this page, we will help you find your Kb835221 and suggest whatever you might try to correct the error.

How to Fix Kb835221 ?

  • What Causes Kb835221?
    Kb835221 Codes are caused in one way or another by misconfigured system files with your windows operating system.
  • Common Kb835221 you may receive:
    Common Kb835221 Error Messages:
    The most common Kb835221 errors that can appear on a Windows-based computer are:
    • "Kb835221 not found."
    • "The file Kb835221 is missing."
    • "Kb835221 Access Violation."
    • "Cannot register Kb835221."
    • "Cannot find %PROGFILES64%\WIDCOMM\Bluetooth Software\Kb835221."
    • "Cannot start Bluetooth Software. A required component is missing: Kb835221. Please install Bluetooth Software again."
    • "This application failed to start because Kb835221 was not found. Re-installing the application may fix this problem."

  • How to Solve Kb835221?

    Troubleshoot Kb835221 Error Manually.
    Fix Kb835221 by updating Windows 7 towards the latest version. Click Start button, and type windows update from the searching box. Then click windows update since 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 in time. Windows update is a crucial procedure to fix Kb835221 problem.

    1) Start your computer and log on as being an administrator.
    2) Click the Start button then select AllAccessories and Programs, System Tools, and then click System Restore.
    3) In the new window, select "Restore my computer with an earlier time" option and after that click Next.
    4) Select the most up-to-date system restore point in the "For this list, click a restore point" list, then click Next.
    5) Click Next around the confirmation window.
    6) Restarts the computer as soon as the restoration is completed.
    For novice Computer User Solution (completely automated):

    1) Download Repair Tool.
    2) Install program and click Scan button.
    3) Click 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

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