Windows 10: Long Delay for UAC Prompt to Appear?


  1. Posts : 1,582
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)
       16 Dec 2016 #1

    Long Delay for UAC Prompt to Appear?


    Since the last update to 1607 Build 14393.576 on two PCs, it now takes about 30s for the UAC prompt or cmd.exe window to first appear on both PCs. Subsequent UAC prompts appear after a normal delay. Both PCs have Kaspersky Internet Security (KIS) 2017.

    I discovered turning the UAC settings down one notch (see below) to avoid the screen dimming solves the problem.
    Click image for larger version. 

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    Has anyone else noticed this weird bug/issue issue and is there a fix?
    Last edited by Steve C; 16 Dec 2016 at 02:54.
      My ComputerSystem Spec


  2. Posts : 2,397
    Windows 10.3 Home 1703 x64 (Home per choice)
       16 Dec 2016 #2

    I use various policies, which cause UAC to appear a few secs later but 30 sec, that is a bit too much, though I have seen it. Try a general cleanup (I use WC), maybe even removing all policies, Windows will reset them upon restart.

    reg delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies" /f
    reg delete "HKCU\Software\Policies" /f
    reg delete "HKLM\Software\Policies" /f
    reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies" /f
    reg delete "HKLM\Software\WOW6432Node\Microsoft\Policies" /f
    reg delete "HKLM\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Policies" /f
    reg delete "HKLM\Software\WOW6432Node\Policies" /f
    Long Delay for UAC Prompt to Appear? Attached Files
    • File Type: bat WC.bat (499 Bytes, 14 views)
      My ComputerSystem Spec


  3. Posts : 1,582
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)
    Thread Starter
       16 Dec 2016 #3

    TairikuOkami said: View Post
    I use various policies, which cause UAC to appear a few secs later but 30 sec, that is a bit too much, though I have seen it. Try a general cleanup (I use WC), maybe even removing all policies, Windows will reset them upon restart.

    reg delete "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies" /f
    reg delete "HKCU\Software\Policies" /f
    reg delete "HKLM\Software\Policies" /f
    reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies" /f
    reg delete "HKLM\Software\WOW6432Node\Microsoft\Policies" /f
    reg delete "HKLM\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Policies" /f
    reg delete "HKLM\Software\WOW6432Node\Policies" /f
    Thanks - A quick summary of the batch file commands in bold I'm unfamiliar with would be useful before I run it.

    fsutil usn deletejournal /d /n c:
    chkdsk /scan
    compact /CompactOs:never
    winmgmt /salvagerepository
    del "%temp%\*" /s /f /q
    del "C:\$Recycle.bin\*" /s /f /q
    del "D:\$Recycle.bin\*" /s /f /q
    del "%systemroot%\temp\*" /s /f /q
    vssadmin delete shadows /for=c: /all /quiet
    Dism /Online /Cleanup-Image /CheckHealth
    Dism /Online /Cleanup-Image /StartComponentCleanup /ResetBase
    cleanmgr /sageset:65535 & cleanmgr /sagerun:65535
      My ComputerSystem Spec


  4. Posts : 2,397
    Windows 10.3 Home 1703 x64 (Home per choice)
       16 Dec 2016 #4

    Well, you do not really need to run all of those, I just have them included in the bat.
    It would be vague, to try to explain some of it just with just one word, so some links:

    fsutil usn deletejournal /d /n c:
    Fsutil usn

    compact /CompactOs:never
    Compact OS - Compress or Uncompress Windows 10 - Windows 10 Tutorials

    winmgmt /salvagerepository
    WMI: Rebuilding the WMI Repository | Ask the Performance Team Blog

    vssadmin delete shadows /for=c: /all /quiet
    It removes all system restore points, file history, file backups.

    The biggest delay for me is caused by this entry, which shows, what triggered UAC prompt.

    reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\Audit" /v "ProcessCreationIncludeCmdLine_Enabled" /t REG_DWORD /d "1" /f
      My ComputerSystem Spec


 

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