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Ansys Lumerical product preference files

Ansys Lumerical product configuration is stored in a series of "preference.ini" files. The "preference.ini" files are stored in a hidden folder in your "User's" directory. 

  • License.ini: Contains the license server information.
  • Launcher.ini: Stores Launcher-specific (GUI) settings.
  • Shared.ini: Shared settings for all solvers. Including recently opened files, scripts, and application examples. 
  • Login.ini: The login web token information when logging into the product to download Application Gallery (Apps) examples from within the application. 
  • <productname>.ini: Product-specific settings like display, solver, and resource configuration.
    Each Lumerical product will have its own preference file used by all versions: FDTD Solutions.ini, MODE Solutions.ini, Lumerical DEVICE.ini, INTERCONNECT.ini

Preference files location

The Lumerical configuration or preference (.ini) files can be found: (default install path shown)

Windows

  • Local or user-specific: 
C:\Users\<UserName>\AppData\Roaming\Lumerical\<Product>.ini
  • System-wide:
C:\Program Files\Lumerical\<version>\Lumerical\<Product>.ini

Linux

  • Local or user-specific:
~/.config/Lumerical/<Product>.ini
  • System-wide:
/opt/lumerical/<version>/Lumerical/<Product>.ini

macOS (deprecated)

  • Local or user-specific: 
/Users/<UserName>/.config/Lumerical/<Product>.ini

(no system-wide settings on macOS) 

Removing your local preference files

  • Removing your local (current user) preference.ini files resets the Lumerical product settings and a new preference.ini file is created with the default settings.
  • The process shown below does not remove the license configuration, "License.ini" file. 

Windows

Using the Windows file explorer:

The preference files are stored in the User's hidden "AppData" folder. The process shown below will let you go to the folder using the "File Explorer". 

  • Open "File Explorer"
  • Enter %appdata%\Lumerical\ in the address bar.
  • Delete the 'Lumerical product preference.ini' files except for the license configuration file, 'License.ini'. 

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Using the command prompt

  • Open a Windows command prompt.
  • Run the following,
cd %AppData%\Lumerical
ren License.ini License.orig
del *.ini
ren License.orig License.ini

Linux:

  • Open Terminal,
  • Run the following, 
mv $HOME/.config/Lumerical/License.ini License.orig 
rm $HOME/.config/Lumerical/*.ini
mv $HOME/.config/Lumerical/License.orig License.ini

 

Associated files

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