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Former Member

Download Manager - Windows 8 - Install - Failed to load DLL


i have a Problem. I try to install the SAP Download Manager in Windows 8. I installed the latest JRE 7 (Version 7 Update 17) 64Bit also 32Bit.

When i start the Installation (install.exe) the following error occurs:


ZeroGu3: Windows DLL failed to load

at ZeroGa2.b(DashoA10*..)

at ZeroGa2.b(DashoA10*..)

at com.zerog.ia.installer.LifeCycleManager.b(DashoA10*..)

at com.zerog.ia.installer.LifeCycleManager.a(DashoA10*..)

at com.zerog.ia.installer.Main.main(DashoA10*..)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.zerog.lax.LAX.launch(DashoA10*..)

at com.zerog.lax.LAX.main(DashoA10*..)


When i try it with the jar file (Java Installation) the installer starts.. but cannot find a JRE.. when i manually try to add the executbale JAVA.exe the following message occurs:

The selected application is not a valid Java Virtual Machine for this Installation.


Can someone help here?


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3 Answers

  • Best Answer
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    Former Member
    Mar 19, 2013 at 07:30 AM


      Please try as follows.

    1.Download the SAP Download Manager Java Archive from the SAP Software Download Center.

    2.Unzip the file and copy install.jar to any folder on your server (Note: you can delete install.jar after the installation is complete).

    3.Open a shell ("command prompt") and change directory (type: cd 'the directory name') to the directory in which the install.jar was copied.

    4.At the prompt, type: java -jar install.jar.

    5.Follow the installation wizard steps.

    6.After the install completes, to launch SAP Download Manager, change to the directory where you installed SAP Download Manager. Type the command: java -classpath DLManager.jar dlmanager.Application.

    Or please follow the steps available in the following link.

    Thanks and Regards,


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    • Former Member Menno van Rooij

      I was trying to uninstall Download Manager and was getting the DLL error mentioned above.  Per Menno's suggestion, I ran the uninstall program with the compatibility option and it automatically chose the right settings which enabled the uninstall program to run. Thanks!

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    Former Member
    Dec 16, 2014 at 08:46 AM

    Kindly checkout my Blog

    Thanks & Best Regards

    Vishal Chaudhary


    Hero Group

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    Former Member
    Dec 04, 2014 at 03:11 PM


    1. Install SAP Download Manager for Windows

    2.Open a shell ("command prompt") and change directory (type: cd 'where install SAP Download Manager'

    3.Type the command: java -classpath DLManager.jar

    Best Regards,


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    • Former Member

      Post Windows 8.1 patch upgrade it is installed and working fine. Possibly it was not able to access Java VM for some reason earlier.

      Anyway Thanks all of you for valuable suggestions.