Webcam and other Support packages are not working in MATLAB 2014b.
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I used webcam in Matlab 2014b to acquire images. But today when I used webcam in matlab script, it shows an error
Error using webcam (line 13) MATLAB Support Package for Webcams has not been installed. Open Support Package Installer to install the Webcam Support Package._
I already installed Webcam Support Package and its location is C:\MATLAB\SupportPackages\R2014b\usbwebcams.
To change my support directory I used matlabshared.supportpkg.getSupportPackageRoot but it shows error
Undefined variable "matlabshared" or class "matlabshared.supportpkg.getSupportPackageRoot".
When I tried to reinstall webcam support package, it shows error that already you have R2014b\usbwebcams first make empty that. I have many other support packages and so don't want to reinstall every package again. How should I solve this problem?
Walter Roberson on 17 Jan 2018
You appear to have a corrupted list of add-ons. In R2014b, the only way to fix that was to uninstall them all, delete the add-ons directory, and re-install the ones you wanted.