Support Knowledge Base

1078: Problems running a classkit license (CKL)

I just received the new license file for a COMSOL 4.0 Classkit License. Installation works fine but when I try to start COMSOL I get this error message: Could not obtain license for COMSOL Multiphysics GUI....
Version: 4.0,4.0a - Platform: All Platforms

1077: COMSOL 4.0 Installation Companion

This knowledgebase solution summarizes tips and workarounds for successful installation of COMSOL Multiphysics 4.0 To install COMSOL 4.0 you must have a trial passcode or a license.dat file for version 4.0. Check your...
Version: 4.0 - Platform:

1076: License error: -5 Could not obtain license for COMSOL Multiphysics...

I just installed COMSOL 4.0 with my new license file and when I try to start COMSOL, I get an error message Could not obtain license for COMSOL Multiphysics GUI, License error: -5 A possible reason is that...
Version: 4.0 - Platform:

1075: COMSOL Installer stops when I click Browse

When I install COMSOL and want to browse for the license file, the installer stops without any error message. The only choice I have is to quit the installer, or type in the searchpath to the license...
Version: 3.5a,4.0 - Platform: Windows

When trying to open a COMSOL model, I get an error message saying "Error: 1095 Failed to load model". Clicking Details reveals an error log that mentions an invalid stream header.   Model created in a newer COMSOL...
Version: 3.5,3.5a - Platform: All Platforms

In COMSOL 4.0, the message "Evaluation of particle tracing data failed" appears when I use the particle tracing feature. This is a problem in COMSOL 4.0 when using massless particles. It has been fixed in a 4.0...
Version: 4.0 - Platform: All Platforms

1071: Cannot start COMSOL 4.0 with MATLAB on Windows

When I use the "COMSOL with MATLAB" shortcut from the Windows start menu, nothing happens. Alternatively, an error occurs and the error log file contains the message "Unable to get the user manager". Recommended...
Version: 4.0 - Platform: Windows

1070: "Failed to load library"

When I try to open the software or solve a problem in COMSOL Multiphysics 4.0, I get the error message "Failed to load library". Alternatively, an error occurs and the error log file contains the message "Could...
Version: 4.0 - Platform: Windows

1069: "Unexpected error" when opening a model file

When I try to open a model MPH-file I get the error message "Unexpected Error", and the file does not load into the user interface. Looking in the log file referred to in the error dialog box, I can find...
Version: 4.0 - Platform: Windows,Linux

1068: I cannot start COMSOL 4.0

When I try to start COMSOL Mutliphysics 4.0, nothing happens, or a splash screen appears and then disappears. On Linux, the crashes are accompanied by an error message trace that starts with An unexpected error...
Version: 4.0 - Platform: All Platforms