Windows 10: Error Opening Registry Key: An error is preventing this key from being opened

Discus and support Error Opening Registry Key: An error is preventing this key from being opened in Windows 10 News to solve the problem; [ATTACH]If you’re encountering the error message An error is preventing this key from being opened while opening specific keys in Registry Editor on... Discussion in 'Windows 10 News' started by WinClub, Sep 11, 2020.

  1. WinClub New Member

    Error Opening Registry Key: An error is preventing this key from being opened

    WinClub, Sep 11, 2020
    #1

  2. Registry - Error Opening Key

    I am trying to upgrade McAfee Security Center to McAfee Total Protection. When it tries to install I get a "Installation Incomplete" error. A McAfee tech found an error in the registry. hkey_local_machine\software\McAfee. When regedit accesses the key
    I get an error: "Error Opening Key; McAfee cannot be opened. An error is preventing this key from being opened. Details: The system cannot find the file specified." How do I correct this error?
     
    RICHARD.pan, Sep 11, 2020
    #2
  3. newtekie1 Win User
    CD drive error

    1) Close all open programs
    2) Click on Start, Run, and type REGEDIT and press Enter
    3) Click on the plus signs (+) next to the following folders

    HKEY_LOCAL_MACHINE
    SYSTEM
    CurrentControlSet
    Control
    Class
    {4D36E965-E325-11CE-BFC1-08002BE10318}
    4) This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.

    UpperFilters
    LowerFilters
    UpperFilters.bak
    LowerFilters.bak
    5) If any of the above keys shown in step 4 are listed, right-click on them and choose Delete
    6) After deleting the keys, close the Registry Editor
    7) Reboot your computer
    8) Open My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone.

    And it likely has something to do with the emulated drive you have listed there.
     
    newtekie1, Sep 11, 2020
    #3
  4. asyntax Win User

    Error Opening Registry Key: An error is preventing this key from being opened

    ATITool registry key

    Hello,

    During ATITool installation, the following registry key was added to my registry:

    "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{85b5ddd0-e090-4b15-bdf2-a443a3ca0b66}"

    After uninstalling the program, this key remained. I tried to delete it through the registry editor but it returned the following error:

    "Cannot delete {85b5ddd0-e090-4b15-bdf2-a443a3ca0b66}: Error while deleting key."

    I'm running Vista Home Premium 32-bit by the way. I also tried to change permissions for the key and deleting in safe mode, but neither of those worked either.

    Any ideas on how i can remove this key? Any help is appreciated, thanks.
     
    asyntax, Sep 11, 2020
    #4
Thema:

Error Opening Registry Key: An error is preventing this key from being opened

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