Support FAQs

We can convert these files to .stmx and .itmx for you. Please email the model to support@iseesystems.com.

Open the Help menu and select Registration Information to open the Registration dialog. At the bottom of the dialog, click Deactivate Software. If you use Windows, go to Programs and Features in the Control Panel and use the “Uninstall a program” option to complete the deinstallation. If you use a Mac, drag the software from your Applications folder to the Trash, then empty the Trash.

Models with .stm or .itm file extensions were built in our older line of software and can’t be opened in Stella Architect or Stella Professional. These models can be converted to the correct file format to be opened in Stella Architect or Stella Professional. You can send these models to support@iseesystems.com and we will convert them for you.

You may have a program that cleans your Mac settings daily. You’ll need to edit its settings to prevent it from cleaning our software.

Yes, isee systems provides several ways to publish simulations privately. Please contact support@iseesystems.com for more information, or see When you publish a simulation to the isee Exchange, is it available to everyone?

This usually means that your network’s firewall is preventing your computer from sending information to the server that activates your license. In that case, you’ll be prompted to use the Web browser method for installation. (This does not apply to the Lab Pack or Site license.)

If you are notified that your support is about to or already has expired, please send an email to support@iseesystems.com with your registration number(s) and request a quote. Or you can call us at 603-448-4990 and customer service will help you.

Lab Packs and site licenses require special installation processes, so their registration numbers can’t be entered directly into the software. Their installation instructions can be found under the registration number for that license in your isee account.

The contract includes all software updates and allows you to request software installation assistance, troubleshooting and general “how-to” advice over telephone or email.

The isee Player lets you open and run a Stella model. You can use Stella Live to view results. The interface is not available in the isee Player.

We have several options for hosting simulations. Please contact support@iseesystems.com for more information, or see When you upload a model (as opposed to a simulation) to the Exchange, is it available to everyone?