Video Transcoding

Why do I Get an Error Message in the Recording Settings on vMix? Update KB4013429

By Jose Guevara

4 Min Read

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Jose Guevara

Jose is a part of the Dacast Customer Onboarding team and started working with the company in 2016. He has vast experience in customer service/engagement and live streaming support.

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      This error occurs on systems where the Windows DVD Player is installed, or on systems upgraded from Windows 7 and 8 that included Media Center.

      This issue is due to a Windows 10 update:

      Update KB4013429, causing the vMix Record Settings to become unavailable.

      SOLUTION (for KB4013429):

      Please note that this is a temporary solution until Microsoft issues a new update on this.

      STEP 1: Check to ensure your Windows version is affected by clicking the Start Menu, typing in Winver and pressing enter.

      STEP 1.1: If the version is: Version 1607 (OS Build 14393.953) AND you see an error message when opening the vMix recording settings proceed to step 2

      STEP 1.2: Otherwise contact Vmix for further support.

      STEP 2: Download the following zip file and then extract it into an empty folder: https://www.vmix.com/download/CompPkgSupFix.zip

      STEP 3: Open the folder and locate the file CompPkgSup.dll then right click it and select Copy

      STEP 4: Browse to the folder C: Program Files (x86) vMix x64

      STEP 5: Right click inside this folder and select Paste

      STEP 6: When prompted to confirm administrator permission, select Continue

      STEP 7: vMix should now work correctly.

      Reference:

      Microsoft has released the update KB4015438 which resolves this problem. Check windows update or refer to this Support Link for more information:

      Another potential cause of an “Access Denied” error message when trying to record using vMix is due to having the third-party antivirus software Avast installed. It is not recommended to use third-party antivirus software when using vMix as they are known to interfere. We recommend uninstalling this program and instead of using the inbuilt Windows Defender to secure your system.

      For more information about the vMix Fix for Update KB4013429, visit the vMix Knowledge Base.

      Any questions or need help/access to this feature? Please contact us.

      Not yet a Dacast user, and interested in trying Dacast risk-free for 30 days? Sign up today to get started.

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      author avatar

      Jose Guevara

      Jose is a part of the Dacast Customer Onboarding team and started working with the company in 2016. He has vast experience in customer service/engagement and live streaming support.

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