# opening error

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## opening error

 This post was updated on . I installed featool but at first startup I get the following error. I wonder what is the reason.I am using ubuntu 18.04 and matlab 2017a. Starting the FEATool Multiphysics GUI. Loading resources can take a minute . . . . Error using figure uIcontrolfontunits is an invalid class name Error in start_featool_gui Error in start_featool_gui Error in FEAToolMultiphysicsApp/startApp (line 88)                 eval('start_featool_gui'); Error in FEAToolMultiphysicsApp (line 48)             startApp(obj) Error in appinstall.internal.runapp>execute (line 78) out = evalin('caller', [script ';']); Error in appinstall.internal.runapp>runapp13a (line 57) outobj = execute(fullfile(appinstalldir, [wrapperfile 'App.m'])); Error in appinstall.internal.runapp>runcorrectversion (line 36)     appobj = runapp13a(appinstalldir); Error in appinstall.internal.runapp (line 18)         out = runcorrectversion(appmetadata, appentrypoint, addonmetadatadir);   >>
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## Re: opening error

 Administrator This post was updated on . Unfortunately it is not clear what has gone wrong, as this error MURAT wrote Error using figure: uIcontrolfontunits is an invalid class name does not really tell anything about what or where the issue could be. You can possibly try with another Matlab version (or check with the Mathworks about this error). Or you could try and see if starting FEATool manually helps, to do this follow the steps below: 1. Download the archive for the latest release from https://github.com/precise-simulation/featool-multiphysics/releases/latest2. Unpack/unzip it to a folder on your computer (note this folder as path_to_featool_multiphysics_folder). 3. (Re-)start Matlab. 4. Run the following commands in the Matlab terminal (substitute path_to_featool_multiphysics_folder with the actual path to where you have downloaded and extracted the FEATool distribution).  >> cd path_to_featool_multiphysics_folder >> featool Moreover, you can test to check if it is a pure GUI issue or overall installation issue my running the test suite without the GUI (only running the m-script file models). To do this launch the FEATool test suite as  >> featool testm 
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## Re: opening error

 Copy the new downloaded version under which folder and open the zip file.
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## Re: opening error

 Warning: Initializing MATLAB Graphics failed. This indicates a potentially serious problem in your MATLAB setup, which should be resolved as soon as possible.  Error detected was: MATLAB:hg:InvalidProperty There is no screenpixelsperinch property on the Root class. > In hgrc (line 163)   In initprefs (line 11)   In matlabrc (line 137) When matlab first opens, I get this error in the command line.
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## Re: opening error

 >> cd path_to_featool_multiphysics_folder Error using cd Cannot CD to path_to_featool_multiphysics_folder (Name is nonexistent or not a directory).
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## Re: opening error

 Administrator This post was updated on . In reply to this post by MURAT MURAT wrote When matlab first opens, I get this error in the command line. Warning: Initializing MATLAB Graphics failed. This indicates a potentially serious problem in your MATLAB setup, which should be resolved as soon as possible.  Error detected was: MATLAB:hg:InvalidProperty This seems to be a Matlab related installation error or issue, in which case you had better contact the Mathworks who develop and license Matlab for support and their advice.
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## Re: opening error

 Administrator In reply to this post by MURAT MURAT wrote >> cd path_to_featool_multiphysics_folder Error using cd Cannot CD to path_to_featool_multiphysics_folder (Name is nonexistent or not a directory). The path_to_featool_multiphysics_folder refers to the folder which you extracted/unzipped the latest "featool-multiphysics.zip" release file to (you must replace this path with the one on your system).
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## Re: Octave install FeaTool

 This post was updated on . hi i will upload for octave. I could not fix the problem in matlab. Can you describe in detail how to install featool into Octave. FEATool-FEniCS, after FEniCS is installed, how to set up featool ???? Can you explain in detail.
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## Re: Octave install FeaTool

 Can I install or run the featools 1.12 .zip package in ocrave.???