Windows 10: windows UAC rundll32

Discus and support windows UAC rundll32 in Windows 10 Ask Insider to solve the problem; [ATTACH] my windows have pop-up every time i open any settings in control painel, mouse, sound, keyboard etc.... my settings in UAC is default my... Discussion in 'Windows 10 Ask Insider' started by /u/fabiogameri, Aug 8, 2020.

  1. windows UAC rundll32

    /u/fabiogameri, Aug 8, 2020
    #1

  2. UAC rundll32.exe prompt when opening the settings in the Control panel

    I'm using Win 10 Home x64 with the newest updates. Recently every time I open the mouse, keyboard, sound and few more settings in a control panel I get an annoying UAC prompt that always includes rundll32.exe. I have to confirm every operation connected
    with rundll32.exe. It happens on any Windows account (admin or normal user). For example it looks like this when I try to open the "Playback devices" from the taskbar (it contains this path: "C:\WINDOWS\system32\rundll32.exe" shell32.dll,Control_RunDLL mmsys.cpl,,playback):


    windows UAC rundll32 fac3bc4a-6e04-4a92-8bdc-90e40ccf96ee.png


    My UAC level is set to default level and I haven't detected any viruses. There's something interesting about the rundll32.exe file in the system32 folder. It has that little UAC icon (so it opens with the UAC prompt) and every other Win 10 PC I have shows
    the normal icon (there is no UAC prompt when I open it). Even after deleting the file and copying it directly from the another PC (retaining its permissions etc. with the xcopy command), it suddenly has this UAC icon. The same file in the backup WinSxS folder
    can be opened without UAC but when it's copied to the system32 folder, it changes immediately. It looks like rundll32.exe file in system32 folder doesn't have the flag "run as admin without the need for UAC elevation prompt" anymore. How can I solve this problem?
     
    Majestic91, Aug 8, 2020
    #2
  3. Yaqub K Win User
    Windows 10 UAC problems

    Hi,

    Thank you for posting on Microsoft Communities.

    I suggest you to disable the UAC-(Select the bar as shown in the below screen shot) and check with the issue. To open User account control settings, follow the steps:

    • Click on the search bar on the taskbar.
    • Type User account control settings.

    windows UAC rundll32 3bad81a6-0885-4c42-b10d-9c53d2f543f7.png

    Hope it helps.
     
    Yaqub K, Aug 8, 2020
    #3
  4. ZubinV3 Win User

    windows UAC rundll32

    Rundll32 UAC Prompt when opening Playback Devices from Volume Control

    • Were there any changes made before experiencing this issue?
    No, as I posted, I fully updated Windows 10 then went to sleep+work, came back now when it boots and when I open system related things, I am prompted with the UAC Y/N

    • What troubleshooting steps have you tried so far?
    None so far because the other person thats experiencing this (also on Answers.Microsoft) never got any reply for his/her problem.

     
    ZubinV3, Aug 8, 2020
    #4
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windows UAC rundll32

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