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Troubleshooting

You might see this happening if you're running ExtendSim on a Windows OS version prior to 8.1.

To correct this:

Right-click on your desktop

Go to Display Settings

Scroll down to Scale and Layout and Change the size of text, apps, and other items to 100%.

If you have multiple ExtendSim licenses on your computer (for example a Model Developer Edition and an Analysis RunTime version), it is generally better to open the ExtendSim license you want to use first, then open the model. If you double-click on a model file, it will open the last ExtendSim license installed.

If the proper version of Excel is not installed on your computer, you will see the error "OLE CreateObject Not Successful" when you try to access an Excel spreadsheet from within ExtendSim. Possible causes of receiving this error are:

Excel is not installed on your computer.

Excel is installed on your computer, but the installation is damaged. In this case you will need to reinstall Excel.

A “click-to-run” version of Excel is installed on your computer. This version does not support communication between outside applications such as ExtendSim and Excel. You will need to uninstall your click-to-run version of Excel and install a full version of Excel. Instructions for this can be found at support.microsoft.com/kb/982431

The error "Run-time error 429: ActiveX component can't create object" might occur if you try to launch ExtendSim (as a server) from an outside application (as the client) in an ActiveX/COM client/server process. In order to interface with Excel or other outside applications using ActiveX/COM, ExtendSim must be registered as an OLE/COM server. Many companies restrict an employee's application permissions to the most basic. To register ExtendSim as an OLE/COM server, you must launch ExtendSim one time with Administrator permissions. To do this, right click on the ExtendSim.exe file and select "Run as: Administrator" (you'll probably need a password from your IT department).

Because ExtendSim has its own compiler, it executes compiled code. Windows can interpret this code as data, rather than code, that is executing. The default setting for Data Execution Prevention (DEP) is "Turn on DEP for essential Windows Programs only." Some Windows installations don't use the default; this causes a problem for ExtendSim. In certain cases, ExtendSim will crash upon launch and return the error message "Unknown msg Unknown block". To correct this problem, follow these instructions.

From the Windows Control Panel, find "System & Security or Maintenance".

Click "System", then go into "Advanced System Settings".

Under "Performance", click the "Settings" button.

Select the "Data Execution Prevention" tab.

Select "Turn on DEP for essential Windows Programs and service only" ...OR... Select ""Turn on DEP for all programs and services except those I select". Then, Add "ExtendSim.exe" to the list.

If the computer you have installed ExtendSim on does not contain the Universal C Runtime in Windows, the following error message (or something similar) may appear while trying to launch ExtendSim (or other newer applications):

The program cannot start because api-ms-win-crt-runtime-l1-1-0.dll is missing from the computer.
Try reinstalling the program to fix this problem.

You will need to install the Universal C Runtime (CRT) update on your Windows operating system to enable newer applications (like ExtendSim) to run on a Windows OS earlier than 10. The Microsoft web site offers instructions for updating the Universal C Runtime component.

https://support.microsoft.com/en-us/help/2999226/update-for-universal-c-runtime-in-windows

The ExtendSim Installer is probably being blocked from installing "ExtendSim_DB_Connector.dll" if you see the message "codebase failed to register". Extension error messageOr after launching ExtendSim and the Getting Started model opens, but reports that "_RightClickConnect database" is missing, Extensions have been blocked.

The problem is that your virus protection program has blocked the installation of files in the ExtendSim10/Extensions folder. To be sure Extensions are properly installed, temporarily turn off the virus protection program and re-install ExtendSim 10; you can reinstall over the existing installation. When finished installing, turn the virus protection program back on.

If you see the error message "codebase failed to register", the Installer is being blocked from installing "ExtendSim_DB_Connector.dll". Or when you launch ExtendSim and it opens the Getting Started model, but reports that "_RightClickConnect database" is missing, extensions are being blocked during installation of ExtendSim 10.

The problem is that your virus protection program is blocking the installation of files in the ExtendSim10/Extensions folder. Temporarily turn off the virus protection program and reinstall ExtendSim 10; you can reinstall over the existing installation. When finished installing, turn the virus protection program back on.